A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
With $50 and a glue stick, Bruce Pavitt created Sub Pop, a fanzine-turned-label that gave the world Nirvana and grunge. He explains how motivated individuals can shift culture.
Wilder's hit "Break My Stride" had an unlikely inspiration: a famous record mogul who rejected it.
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.
The evolution of the symbol that was Prince's name from 1993-2000.
Bob was the bass player and lyricist for the first two Ozzy Osbourne albums. Here's how he wrote songs like "Crazy Train" and "Mr. Crowley" with Ozzy and Randy Rhoads.