"Criminal" is Fiona Apple's only chart hit. Royalties from it allow her to make music on her terms, releasing albums several years apart.
MC Skat Kat was created for the remix of "Opposites Attract," which was released as the last single from Paula Abdul's Forever Your Girl album. The team that created the Kat also did a-ha's "Take On Me" video.
The Motown team of Holland-Dozier-Holland wrote "Where Did Our Love Go" with The Marvelettes in mind, but they turned it down. When The Supremes recorded the tune, Diana Ross was forced to sing in a lower, breathier style than she was used to because it wasn't written for her.
"Summertime" by DJ Jazzy Jeff & the Fresh Prince is built on a sample of a Kool & The Gang instrumental from 1974 called "Summer Madness," which gets a shout in the line, "This is the Fresh Prince's new definition of summer madness."
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and they recorded it themselves.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Some album art was at least "inspired" by others. A look at some very similar covers.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.