One of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
The good doctor shares some candid insights on recording with Phil Spector and The Black Keys.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
"London Bridge," "Ring Around the Rosie" and "It's Raining, It's Pouring" are just a few examples of shockingly morbid children's songs.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.