Dexys Midnight Runners' "Come on Eileen" is based on a real girl called Eileen that the band's Kevin Rowland had a relationship with in his early teenage years.
Lil Wayne does an unlikely rap in a remix of the Joe Jonas song "Just In Love." The pair met at the 2008 MTV Video Music Awards.
The opening line in "How Soon Is Now?" by The Smiths is "I am the son and the heir," not "I am the sun and the air."
"Instant Karma" is one of John Lennon's most hopeful songs, written and recorded in one day at a time when he felt people were pulling together in a positive direction.
Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.
"Step On," the most famous song by the Happy Mondays ("You're twistin' my melon man!") is a thoroughly revamped cover of a song from 1971 about the plight of indigenous peoples called "He's Gonna Step On You Again" by John Kongos.
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
Call us crazy, but we like it when an artist comes around who doesn't mesh with the status quo.
The former Metallica bassist talks about his first time writing a song with James Hetfield, and how a hand-me-down iPad has changed his songwriting.
Tom stopped performing Thompson Twins songs in 1987, in part because of their personal nature: "Hold Me Now" came after an argument with his bandmate/girlfriend Alannah Currie.
Wes Edwards takes us behind the scenes of videos he shot for Jason Aldean, Dierks Bentley and Chase Bryant. The train was real - the airplane was not.