The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Before "Rap" was a form of music, it was something guys did to pick up girls in nightclubs. Donnie talks about "The Rapper" and reveals the identity of Leah.
How Bing Crosby, Les Paul, a US Army Signal Corps Officer, and the Nazis helped shape rock and Roll.
She thinks of herself as a "song interpreter," but back in the '80s another country star convinced Emmylou to take a crack at songwriting.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.