Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
For songwriters, Johnny represents the American man. He has been angry, cool, magic, a rebel and, of course, marching home.
Have you got the smarts to know which of these graduation song stories are real?
"Mr. Jones" took on new meaning when the song about a misguided view of fame made Adam famous.
John Lennon, Paul Simon and Lynyrd Skynyrd are some of the artists who have written revenge songs. Do you know who they wrote them about?