His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.
Did this Eagle come up with the term "Parrothead"? And what is it like playing "Hotel California" for the gazillionth time?
There are no more rock stars - the last one died in 1994.
Established as a redoubtable singer-songwriter, the Men At Work frontman explains how religion, sobriety and Jack Nicholson play into his songwriting.
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 Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.