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The invention of radio
it makes music free -
Gramaphone
Gramaphone was invented -
Lee De Forest invents the vacuum tube
the first amplifier for electronic signals -
The first electronically recorded records are released
makes music cheaper to listen to -
The first magnetic recorder
The blattnerphone is developed -
My dads Birthday
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I was born
u get to see me every day -
The first lathe for cutting disks it introduced
you can make disks alot easier
