"Mickey" by Toni Basil was originally a song called "Kitty" by a male group. She picked the new name after Micky Dolenz of The Monkees.
"Free Fallin'" by Tom Petty is set in Los Angeles, as he mentions Reseda, Mulholland and Ventura Boulevard.
The first big hit to blend EDM with country music was "Wake Me Up" by the Swedish DJ Avicii. He put the song together with Mike Einziger of Incubus and with Aloe Blacc, who sings on it.
"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.
Jethro Tull lead singer Ian Anderson wrote "Aqualung" after looking at pictures of homeless men that his wife took. She got a co-writing credit on the song.
Madonna's hit "Like A Prayer" debuted in a Pepsi commercial, but Pepsi pulled the ad the next day when the controversial video appeared. Madonna got to keep her $5 million endorsement money.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Zac tells the story of Hanson's massive hit "MMMbop," and talks about how brotherly bonds effect their music.