Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.
Billie Jean, Delilah, Sara, Laura and Sharona - do you know who the girls in the songs really are?
The lead singer/lyricist for Anberlin breaks down "Impossible" and covers some tracks from their 2012 album Vital.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.