from radio waves to electric grooves: electrical sound recording Published 8 years ago • 157K plays • Length 11:41 Download video MP4 Download video MP3 Similar videos 3:10 how electromagnetic waves transmit music, messages, & more 13:13 bell & the invention of artificial sound 1:01 creating radio waves! 17:34 edison's impression: laying sound into a groove 10:57 the vacuum tube and the invention of radio 0:28 this can happen in thailand