Your grandparents listened to a Victrola, while your kids play tunes on an i-Pod. They're both part of a story about the relationship between technology and music, from 78s, 45s and eight-tracks — through cassettes, CDs and MP3s. Join NPR's Neal Conan for the 100-year history of playback machines.
*Author of Playback: From the Victrola to MP3, 100 Years of Music, Machines, and Money
*A recording engineer and specialist on preservation of sound in obsolete sound recordings