"Tenderness" by General Public was partly inspired by the outbreak of AIDS, which at the time was thought to be contagious.
The Mary J. Blige song "No More Drama" samples the theme to the appropriately dramatic soap opera The Young And The Restless.
"Don't Dream It's Over" is the biggest hit for Crowded House, whose lead singer, Neil Finn, sang it on tour when he joined Fleetwood Mac. He wrote the song when he was feeling a bit lost as a way of urging himself on.
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
"Midnight Train To Georgia" was originally "Midnight Plane To Houston," but was changed to sound more R&B.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
As a songwriter and producer, Narada had hits with Aretha Franklin, Whitney Houston, Mariah Carey and Starship. But what song does he feel had the greatest impact on his career?
Songwriting Hall of Famer Linda Perry talks about her songs "What's Up" and "Beautiful," her songwriting process, and her move into film music.
The British reggae legend tells the story of his #1 hit "Close To You," talks about his groundbreaking Shabba Ranks collaboration "Housecall," and discusses his latest project with Robin Trower.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."