From NKOTB to 1D, how well do you know your boy bands?
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
A top New York studio musician, Ralph played guitar on many '60s hits, including "Lightnin' Strikes," "A Lover's Concerto" and "I Am A Rock."
Chris tells the story of "Wicked Game," talks milkshakes and moonpies at Sun Records, and explains why women always get their way.
The head of Drake's estate shares his insights on the late folk singer's life and music.