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Period: 476 to 1492
The middle ages
In the history of Europe, the Middle Ages or medieval period (also spelled mediæval or mediaeval) lasted approximately from the late 5th to the late 15th centuries, aligning with[citation needed] the post-classical period of global history. -
750
Gegrorian chant
Gregorian chant is the central tradition of Western plainchant, a form of monophonic, unaccompanied sacred song in Latin (and occasionally Greek) of the Roman Catholic Church. Gregorian chant developed mainly in western and central Europe during the 9th and 10th centuries, with later additions and redactions. Although popular legend credits Pope Gregory I with inventing Gregorian chant, scholars believe that it arose from a later Carolingian synthesis of the Old Roman chant and Gallican chant. -
991
Guido d´Arezzo
Guido of Arezzo was an Italian music theorist and pedagogue of High medieval music. A Benedictine monk, he is regarded as the inventor or by some, developer of the modern staff notation that had a massive influence on the development of Western musical notation and practice.[Perhaps the most significant European writer on music between Boethius and Johannes Tinctoris,[3] after the former's De institutione musica, Guido's Micrologus was the most widely distributed medieval treatise on music. -
1089
Hidelgard von Bingen
Hildegard of Bingen, also known as Saint Hildegard and the Sibyl of the Rhine, was a German Benedictine abbess and polymath active as a writer, composer, philosopher, mystic, visionary, and as a medical writer and practitioner during the High Middle Ages. She is one of the best-known composers of sacred monophony, as well as the most recorded in modern history. She has been considered by scholars to be the founder of scientific natural history in Germany. -
1130
Bernart de Ventadorn
Bernart de Ventadorn was a French poet-composer troubadour of the classical age of troubadour poetry.Generally regarded as the most important troubadour in both poetry and music, his 18 extant melodies of 45 known poems in total is the most to survive from any 12th-century troubadour. He is remembered for his mastery as well as popularization of the trobar leu style, and for his prolific cançons. -
1163
Leonin
Léonin (also Leoninus, Leonius, Leo; was the first known significant composer of polyphonic organum. He was probably French, probably lived and worked in Paris at the Notre Dame Cathedral and was the earliest member of the Notre Dame school of polyphony and the ars antiqua style who is known by name. The name Léonin is derived from "Leoninus," which is the Latin diminutive of the name Leo; therefore it is likely that Léonin's given French name was Léo. -
1178
Perotin
Pérotin was a composer associated with the Notre Dame school of polyphony in Paris and the broader ars antiqua musical style of high medieval music. He is credited with developing the polyphonic practices of his predecessor Léonin, with the introduction of three and four-part harmonies. -
Period: 1240 to 1320
Ars Antiqua
Ars antiqua, also called ars veterum or ars vetus, is a term used by modern scholars to refer to the Medieval music of Europe during the High Middle Ages, between approximately 1170 and 1310. This covers the period of the Notre-Dame school of polyphony (the use of multiple, simultaneous, independent melodic lines), and the subsequent years which saw the early development of the motet, a highly varied choral musical composition. -
1252
Alfonso X of Castile/ the wise
Alfonso X was King of Castile, León and Galicia from 30 May 1252 until his death in 1284. During the election of 1257, a dissident faction chose him to be king of Germany on 1 April. He renounced his claim to Germany in 1275, and in creating an alliance with the Kingdom of England in 1254, his claim on the Duchy of Gascony as well. -
1300
Guillaume de Machaut
Guillaume de Machaut was a French composer and poet who was the central figure of the ars nova style in late medieval music. His dominance of the genre is such that modern musicologists use his death to separate the ars nova from the subsequent ars subtilior movement.Regarded as the most significant French composer and poet of the 14th century,he is often seen as the century's leading European composer. -
Period: 1320 to 1380
Ars Nova
Ars nova (Latin for new art)[2] refers to a musical style which flourished in the Kingdom of France and its surroundings during the Late Middle Ages. More particularly, it refers to the period between the preparation of the Roman de Fauvel (1310s) and the death of composer Guillaume de Machaut in 1377. The term is sometimes used more generally to refer to all European polyphonic music of the fourteenth century. -
1325
Francesco Landini
Francesco Landini was an Italian composer, poet, organist, singer and instrument maker who was a central figure of the Trecento style in late Medieval music. One of the most revered composers of the second half of the 14th century, he was by far the most famous composer in Italy. -
1400
Johannes Gutenberg
Johannes Gensfleisch was a German inventor and craftsman who introduced letterpress printing to Europe with his movable-type printing press. Though movable type was already in use in East Asia, Gutenberg invented the printing press,[2] which later spread across the world.[3] His work led to an information revolution and the unprecedented mass-spread of literature throughout Europe. -
Jul 12, 1468
Juan del Encina
Juan del Encina was a composer, poet, priest, and playwright of Spanish drama, alongside Gil Vicente. His birth name was Juan de Fermoselle. He spelled his name Enzina, but this is not a significant difference; it is two spellings of the same sound, in a time when "correct spelling" as we know it barely existed. He was born in 1468 near Salamanca, probably at Encina de San Silvestre, one of at least 7 known children of Juan de Fermoselle, a shoemaker, and his wife. -
1483
Martín Lutero
Martin Luther was a German priest, theologian, author, hymnwriter, professor, and Augustinian friar.[3] He was the seminal figure of the Protestant Reformation, and his theological beliefs form the basis of Lutheranism. -
Period: 1492 to
The Renaissance
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1500
Cristóbal de Morales
Cristóbal de Morales was a Spanish composer of the Renaissance. He is generally considered to be the most influential Spanish composer before Tomás Luis de Victoria.
Cristóbal de Morales was born in Seville and, after an exceptional early education there, which included a rigorous training in the classics as well as musical study with some of the foremost composers, he held posts at Ávila and Plasencia. -
Mar 30, 1510
Antonio de Cabezón
Cabezón was born in Castrillo Mota de Judíos, a municipality near Burgos, in the north of Spain. Nothing is known about his formative years. He became blind in early childhood, and he may have been educated at the Palencia Cathedral by the organist there, García de Baeza. At the time, the country was slowly entering its Golden Age. Charles married Isabella of Portuga -
1525
Giovanni Pierluigi da Palestrina
Giovanni Pierluigi da Palestrina was an Italian composer of late Renaissance music. The central representative of the Roman School, with Orlande de Lassus and Tomás Luis de Victoria, Palestrina is considered the leading composer of late 16th-century Europe. -
1532
Orlando di Lasso
Orlande de Lassus (whose name is also spelt Orlandus Lassus, Orlando di Lasso, Roland de Lassus, or Roland Delattre) (born Mons, Hainaut, probably in 1532 ; died Munich, 14 June, 1594) was a Franco-Flemish composer who lived in the last part of the Renaissance. Lassus and Palestrina are the two most famous composers of that time who were writing church music in a polyphonic style. -
1532
Tomás Luis de Victoria
Tomás Luis de Victoria was the most famous Spanish composer of the Renaissance. He stands with Giovanni Pierluigi da Palestrina and Orlande de Lassus as among the principal composers of the late Renaissance, and was "admired above all for the intensity of some of his motets and of his Offices for the Dead and for Holy Week". -
1533
Andrea Gabrieli
Andrea Gabrieli was an Italian[1] composer and organist of the late Renaissance. The uncle of the somewhat more famous Giovanni Gabrieli, he was the first internationally renowned member of the Venetian School of composers, and was extremely influential in spreading the Venetian style in Italy as well as in Germany. -
1544
Maddalena Casulana
Was an Italian composer, lutenist and singer of the late Renaissance. She is the first female composer to have had a whole book of her music printed and published in the history of western music. Most likely she was born at Casole d'Elsa, near Siena, from the evidence of her name. She received her musical education and early experiences in Florence. -
1557
Giovanni Gabrieli
Giovanni Gabrieli was an Italian composer and organist. He was one of the most influential musicians of his time, and represents the culmination of the style of the Venetian School, at the time of the shift from Renaissance to Baroque idioms. Gabrieli was born in Venice. He was one of five children, while not much is known about Giovanni's early life, he probably studied with his uncle, the composer Andrea Gabrieli -
Mar 30, 1566
Carlo Gesualdo
Carlo Gesualdo da Venosa was Prince of Venosa and Count of Conza. As a composer he is known for writing madrigals and pieces of sacred music that use a chromatic language not heard again until the late 19th century. He is also known for killing his first wife and her aristocratic lover upon finding them in flagrante delicto. -
May 15, 1567
Claudio Monteverdi
Was an Italian composer, choirmaster and string player. A composer of both secular and sacred music, and a pioneer in the development of opera, he is considered a crucial transitional figure between the Renaissance and Baroque periods of music history. He born in Cremona -
Period: to
The Baroque
The Baroque or Baroquism is a Western style of architecture, music, dance, painting, sculpture, poetry, and other arts that flourished from the early 17th century until the 1750s. It followed Renaissance art and Mannerism and preceded the Rococo and Neoclassical styles. It was encouraged by the Catholic Church as a means to counter the simplicity and austerity of Protestant architecture, art, and music, though Lutheran Baroque art developed in parts of Europe as well. -
Giacomo Carissimi
Was an Italian composer and music teacher. He is one of the most celebrated masters of the early Baroque or, more accurately, the Roman School of music. He established the characteristic features of the Latin oratorio and was a prolific composer of masses, motets, and cantatas. He was highly influential in musical developments in northern European countries through his pupils, like Kerll in Germany and Charpentier in France, and the wide dissemination of his music. -
Barbara Strozzi
Barbara Strozzi (also called Barbara Valle) was an Italian composer and singer of the Baroque Period. During her lifetime, Strozzi published eight volumes of her own music, and had more secular music in print than any other composer of the era. This was achieved without any support from the Church and with no consistent patronage from the nobility. -
Stradivarius
A Stradivarius is one of the violins, violas, cellos and other string instruments built by members of the Italian family Stradivari, particularly Antonio Stradivari, during the 17th and 18th centuries. They are considered some of the finest instruments ever made, and are extremely valuable collector's items. -
Henry Purcell
Purcell's musical style was uniquely English, although it incorporated Italian and French elements. Generally considered among the greatest English opera composers,[4] Purcell is often linked with John Dunstaple and William Byrd as England's most important early music composers. He Purcell was born in St Ann's Lane, Old Pye Street, Westminster in the area of London -
Antonio Vivaldi
Antonio Lucio Vivaldi was an Italian composer, virtuoso violinist and impresario of Baroque music.Along with Johann Sebastian Bach and George Frideric Handel, Vivaldi ranks amongst the greatest Baroque composers and his influence during his lifetime was widespread across Europe, giving origin to many imitators and admirers. He pioneered many developments in orchestration, violin technique and programmatic music.He consolidated the emerging concerto form into a widely accepted and followed idiom. -
Georg Philipp Telemann
Was a German Baroque composer and multi-instrumentalist. He is one of the most prolific composers in history, at least in terms of surviving oeuvre. Telemann was considered by his contemporaries to be one of the leading German composers of the time, and he was compared favourably both to his friend Johann Sebastian Bach, who made Telemann the godfather and namesake of his son Carl Philipp Emanuel, and to George Frideric Handel, whom Telemann also knew personally. -
Johann Sebastian Bach
Johann Sebastian Bach was a German composer and musician of the late Baroque period. He is known for his orchestral music such as the Brandenburg Concertos; instrumental compositions such as the Cello Suites; keyboard works such as the Goldberg Variations and The Well-Tempered Clavier; organ works such as the Schubler Chorales and the Toccata and Fugue in D minor; and vocal music such as the St Matthew Passion and the Mass in B minor. -
George Frideric Handel
George Frideric was a German-British Baroque composer well known for his operas, oratorios, anthems, concerti grossi, and organ concertos. Handel received his training in Halle and worked as a composer in Hamburg and Italy before settling in London in 1712, where he spent the bulk of his career and became a naturalised British subject in 1727.He was strongly influenced both by the middle-German polyphonic choral tradition and by composers of the Italian Baroque. -
Gluck
Christoph Willibald was a composer of Italian and French opera in the early classical period. Born in the Upper Palatinate and raised in Bohemia, both part of the Holy Roman Empire, he gained prominence at the Habsburg court at Vienna. There he brought about the practical reform of opera's dramaturgical practices for which many intellectuals had been campaigning. -
Joseph Haydn
Franz Joseph Haydn was an Austrian composer of the Classical period. He was instrumental in the development of chamber music such as the string quartet and piano trio.His contributions to musical form have led him to be called "Father of the Symphony" and "Father of the String quartet". -
Nannerl Mozart
Maria Anna Walburga Ignatia Mozart called "Marianne" and nicknamed Nannerl, was a musician, the older sister of Wolfgang Amadeus Mozart (1756–1791) and daughter of Leopold (1719–1787) and Anna Maria Mozart (1720–1778). -
W.A. Mozart
Wolfgang Amadeus Mozart was a prolific and influential composer of the Classical period. Despite his short life, his rapid pace of composition resulted in more than 800 works of virtually every Western classical genre of his time. Many of these compositions are acknowledged as pinnacles of the symphonic, concertante, chamber, operatic, and choral repertoire. -
Maria Theresia Von Paradis
Maria Theresia von Paradis was an Austrian musician and composer who lost her sight at an early age, and for whom her close friend Mozart may have written his Piano Concerto No. 18 in B-flat major. She was also in contact with Salieri, Haydn, and Gluck. -
Beethoven
Ludwig van Beethoven was a German composer and pianist. He is one of the most revered figures in the history of Western music; his works rank among the most performed of the classical music repertoire and span the transition from the Classical period to the Romantic era in classical music. Beethoven's career has conventionally been divided into early, middle, and late periods. -
Rossini
Gioachino was an Italian composer who gained fame for his 39 operas, although he also wrote many songs, some chamber music and piano pieces, and some sacred music. He set new standards for both comic and serious opera before retiring from large-scale composition while still in his thirties, at the height of his popularity. -
Schubert
Franz Peter Schubert was an Austrian composer of the late Classical and early Romantic eras. Despite his short life, Schubert left behind a vast oeuvre, including more than 600 secular vocal works (mainly lieder), seven complete symphonies, sacred music, operas, incidental music, and a large body of piano and chamber music. His major works include the art songs Erlkönig, Gretchen am Spinnrade, Ave Maria; the Trout Quintet, the unfinished Symphony No. -
Berlioz
Louis-Hector Berlioz was a French Romantic composer and conductor. His output includes orchestral works such as the Symphonie fantastique and Harold in Italy, choral pieces including the Requiem and L'Enfance du Christ, his three operas Benvenuto Cellini, Les Troyens and Béatrice et Bénédict, and works of hybrid genres such as the "dramatic symphony" Roméo et Juliette and the "dramatic legend" La Damnation de Faust. -
Mendelssohn
Jakob Ludwig Felix Mendelssohn Bartholdy, widely known as Felix Mendelssohn,was a German composer, pianist, organist and conductor of the early Romantic period. Mendelssohn's compositions include symphonies, concertos, piano music, organ music and chamber music. -
Schumann
Robert Schumann was a German composer, pianist, and influential music critic. He is widely regarded as one of the greatest composers of the Romantic era. Schumann left the study of law, intending to pursue a career as a virtuoso pianist. His teacher, Friedrich Wieck, a German pianist, had assured him that he could become the finest pianist in Europe, but a hand injury ended this dream. Schumann then focused his musical energies on composing. -
Chopin
Frédéric François Chopin was a Polish composer and virtuoso pianist of the Romantic period, who wrote primarily for solo piano. He has maintained worldwide renown as a leading musician of his era, one whose "poetic genius was based on a professional technique that was without equal in his generation". -
Listz
Franz Lisztwas a Hungarian composer, virtuoso pianist, conductor, and teacher of the Romantic period. With a diverse body of work spanning more than six decades, he is considered to be one of the most prolific and influential composers of his era, and his piano works continue to be widely performed and recorded. -
Verdi
Giuseppe Fortunino Francesco Verdi was an Italian composer best known for his operas. He was born near Busseto to a provincial family of moderate means, receiving a musical education with the help of a local patron, Antonio Barezzi. Verdi came to dominate the Italian opera scene after the era of Gioachino Rossini, Vincenzo Bellini, and Gaetano Donizetti, whose works significantly influenced him. -
Wagner
Wilhelm Richard Wagner was a German composer, theatre director, polemicist, and conductor who is chiefly known for his operas (or, as some of his mature works were later known, "music dramas"). Unlike most opera composers, Wagner wrote both the libretto and the music for each of his stage works. Initially establishing his reputation as a composer of works in the romantic vein of Carl Maria von Weber and Giacomo Meyerbeer, Wagner revolutionised opera through his concept of the Gesamtkunstwerk -
Clara Schumann
Clara Josephine Schumann was a German pianist, composer, and piano teacher. Regarded as one of the most distinguished pianists of the Romantic era, she exerted her influence over the course of a 61-year concert career, changing the format and repertoire of the piano recital by lessening the importance of purely virtuosic works. She also composed solo piano pieces, a piano concerto (her Op. 7), chamber music, choral pieces, and songs. -
Bedřich Smetana
Was a Czech composer who pioneered the development of a musical style that became closely identified with his people's aspirations to a cultural and political "revival". He has been regarded in his homeland as the father of Czech music. Internationally he is best known for his 1866 opera The Bartered Bride and for the symphonic cycle Má vlast, which portrays the history, legends and landscape of the composer's native Bohemia. -
Brahms
Johannes Brahms was a German composer, pianist, and conductor of the mid-Romantic period. Born in Hamburg into a Lutheran family, he spent much of his professional life in Vienna. He is sometimes grouped with Johann Sebastian Bach and Ludwig van Beethoven as one of the "Three Bs" of music, a comment originally made by the nineteenth-century conductor Hans von Bülow. -
Modest Mussorgsky
as a Russian composer, one of the group known as "The Five". He was an innovator of Russian music in the Romantic period. He strove to achieve a uniquely Russian musical identity, often in deliberate defiance of the established conventions of Western music. -
Chaikovski
Pyotr Ilyich Tchaikovsky was a Russian composer of the Romantic period. He was the first Russian composer whose music would make a lasting impression internationally. Tchaikovsky wrote some of the most popular concert and theatrical music in the current classical repertoire, including the ballets Swan Lake and The Nutcracker, the 1812 Overture, his First Piano Concerto, Violin Concerto, the Romeo and Juliet Overture-Fantasy, several symphonies, and the opera Eugene Onegin. -
Edvard Grieg
was a Norwegian composer and pianist. He is widely considered one of the leading Romantic era composers, and his music is part of the standard classical repertoire worldwide. His use of Norwegian folk music in his own compositions brought the music of Norway to fame, as well as helping to develop a national identity. -
Nikolai Rimsky-Korsakov
Was a Russian composer, a member of the group of composers known as The Five. He was a master of orchestration. His best-known orchestral compositions—Capriccio Espagnol, the Russian Easter Festival Overture, and the symphonic suite Scheherazade—are staples of the classical music repertoire, along with suites and excerpts from some of his 15 operas. -
Nikolai Rimsky-Korsakov
was a Russian composer, a member of the group of composers known as The Five. He was a master of orchestration. His best-known orchestral compositions—Capriccio Espagnol, the Russian Easter Festival Overture, and the symphonic suite Scheherazade—are staples of the classical music repertoire, along with suites and excerpts from some of his 15 operas -
Puccini
Giacomo Puccini was an Italian composer known primarily for his operas. Regarded as the greatest and most successful proponent of Italian opera after Verdi, he was descended from a long line of composers, stemming from the late-Baroque era. Though his early work was firmly rooted in traditional late-19th-century Romantic Italian opera, he later developed his work in the realistic verismo style, of which he became one of the leading exponents. -
Hugo Wolf
Hugo Philipp Jacob Wolf was an Austrian composer, particularly noted for his art songs, or Lieder. He brought to this form a concentrated expressive intensity which was unique in late Romantic music, somewhat related to that of the Second Viennese School in concision but diverging greatly in technique. -
Gustav Mahler
Gustav Mahler was an Austro-Bohemian Romantic composer, and one of the leading conductors of his generation. As a composer he acted as a bridge between the 19th-century Austro-German tradition and the modernism of the early 20th century. While in his lifetime his status as a conductor was established beyond question, his own music gained wide popularity only after periods of relative neglect, which included a ban on its performance in much of Europe during the Nazi era. -
Claude Debussy
Was a French composer. He is sometimes seen as the first Impressionist composer, although he vigorously rejected the term. He was among the most influential composers of the late 19th and early 20th centuries. Born to a family of modest means and little cultural involvement, Debussy showed enough musical talent to be admitted at the age of ten to France's leading music college, the Conservatoire de Paris. He originally studied the piano, but found his vocation in innovative composition. -
Jean Sibelius
Was a Finnish composer of the late Romantic and early-modern periods. He is widely regarded as his country's greatest composer, and his music is often credited with having helped Finland develop a stronger national identity when his country was struggling from several attempts at Russification in the late 19th century. -
Arnold Schoenberg
Was an Austrian-American composer, music theorist, teacher, writer, and painter. He is widely considered one of the most influential composers of the 20th century. He was associated with the expressionist movement in German poetry and art, and leader of the Second Viennese School. As a Jewish composer, Schoenberg was targeted by the Nazi Party, which labeled his works as degenerate music and forbade them from being published. -
Maurice Ravel
Was a French composer, pianist and conductor. He is often associated with Impressionism along with his elder contemporary Claude Debussy, although both composers rejected the term. In the 1920s and 1930s Ravel was internationally regarded as France's greatest living composer. -
Manuel de Falla
was an Andalusian Spanish composer and pianist. Along with Isaac Albéniz, Francisco Tárrega, and Enrique Granados, he was one of Spain's most important musicians of the first half of the 20th century. He has a claim to being Spain's greatest composer of the 20th century. -
Béla Bartók
Was a Hungarian composer, pianist and ethnomusicologist. He is considered one of the most important composers of the 20th century; he and Franz Liszt are regarded as Hungary's greatest composers. Through his collection and analytical study of folk music, he was one of the founders of comparative musicology, which later became known as ethnomusicology. -
Igor Stravinsky
was a Russian composer and conductor with French citizenship (from 1934) and United States citizenship (from 1945). He is widely considered one of the most important and influential composers of the 20th century and a pivotal figure in modernist music. -
Joaquín Turina
was a Spanish composer of classical music. Turina was born in Seville. He studied in Seville as well as in Madrid. He lived in Paris from 1905 to 1914 where he took composition lessons from Vincent d'Indy at the Schola Cantorum de Paris and studied the piano under Moritz Moszkowski. -
Heitor Villa-Lobos
Was a Brazilian composer, conductor, cellist, and classical guitarist described as "the single most significant creative figure in 20th-century Brazilian art music". Villa-Lobos has become the best-known South American composer of all time. A prolific composer, he wrote numerous orchestral, chamber, instrumental and vocal works, totaling over 2,000 works by his death in 1959. His music was influenced by both Brazilian folk music and stylistic elements from the European classical tradition -
George Gershwin
Was an American composer and pianist whose compositions spanned popular, jazz and classical genres. Among his best-known works are the orchestral compositions Rhapsody in Blue (1924) and An American in Paris (1928), the songs "Swanee" (1919) and "Fascinating Rhythm" (1924), the jazz standards "Embraceable You" (1928) and "I Got Rhythm" (1930), and the opera Porgy and Bess (1935). -
Olivier Messiaen
was a French composer, organist, and ornithologist who was one of the major composers of the 20th century. His music is rhythmically complex. Harmonically and melodically, he employed a system he called modes of limited transposition, which he abstracted from the systems of material his early compositions and improvisations generated. He wrote music for chamber ensembles and orchestra, voice, solo organ, and piano, and experimented with the use of novel electronic instruments -
Pierre Schaeffer
was a French composer, writer, broadcaster, engineer, musicologist, acoustician and founder of Groupe de Recherche de Musique Concrète (GRMC). His innovative work in both the sciences—particularly communications and acoustics—and the various arts of music, literature and radio presentation after the end of World War II, as well as his anti-nuclear activism and cultural criticism garnered him widespread recognition in his lifetime. -
John Cage
was an American composer . A pioneer of indeterminacy in music, electroacoustic music, and non-standard use of musical instruments, Cage was one of the leading figures of the post-war avant-garde. Critics have lauded him as one of the most influential composers of the 20th century. He was also instrumental in the development of modern dance, mostly through his association with choreographer Merce Cunningham, who was also Cage's romantic partner for most of their lives. -
Pierre Henry
was a French composer and pioneer of musique concrète. Henry was born in Paris, France,[3] and began experimenting at the age of 15 with sounds produced by various objects. He became fascinated with the integration of noise into music, now called noise music. He studied with Nadia Boulanger, Olivier Messiaen, and Félix Passerone at the Conservatoire de Paris from 1938 to 1948. -
Philip Glass
is an American composer and pianist. He is widely regarded as one of the most influential composers of the late 20th century. Glass's work has been associated with minimalism, being built up from repetitive phrases and shifting layers. Glass describes himself as a composer of "music with repetitive structures", which he has helped to evolve stylistically.