To his amazement, the machine played his words back. This was the very start of recorded sound in 1878. A patent was issued on the phonograph on February 19th, 1878; the invention was highly original.

Review: Thom Yorke and Mark Pritchard's new song "Back in the Game" is our song of the week. Hear great new songs from others favorites, too.

In a major show at the Whitney, Christine Sun Kim shines light on Deaf culture and measures sonic experience beyond the ear.