level 1
level 2
level 3
100
Who invented the phonograph?
Thomas Edison
100
What was Samuel Morse's contribution to audio?
telegraph and morse code
100
Who introduced the portable walkman in 1979?
Sony
200
What device was used to mass produce high quality music in the early 1900s?
gramaphone
200
What does RCA stand for?
Radio Corp. of America
200
In what year were the first MP3s available on internet?
1995
300
What was the first song recorded on phonograph?
Mary had a little lamb
300
In what city did KDKA become the first commercial broadcast?
Pittsburg, Pennsylvania
300
In 1993 who broadcasted a 60 minute live radio broadcast of H.G Wells novel War of the Worlds?
Orson Wells
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