In the late 1970s, the actor Jeff Bridges and a band of his old high school friends recorded a hazy mix of tunes. Nearly 50 years later, he has released them on his new album "Slow Magic: 1977-1978." ...

From eight-track tapes to the iconic iPod, these once-popular music formats shaped how we listened to music—until they ...

Other audio selected by the Library of Congress to be preserved for future generations include recordings by Chicago, Miles ...