David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
An interview with Dr. John Covach, music professor at the University of Rochester whose free online courses have become wildly popular.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
The Evanescence frontwoman on the songs that have shifted meaning and her foray into kids' music.
The "All I Want" singer went through a long depression, playing some shows when he didn't want to be alive.