A problem with his eyes gave Jackson Browne the idea for "Doctor My Eyes," which became a song about a man whose mental health suffers when he sees the world for what it really is.
Sheryl Crow's "Soak Up The Sun" isn't as lighthearted as it seems: the song deals with the prevailing head-in-the-sand reaction to climate change.
The Isley Brothers' "That Lady" was sampled by Kendrick Lamar for his 2014 single "I." Lamar turned up at Ronald Isley's house to personally ask permission to borrow from the song.
Bono wrote U2's song "Sweetest Thing" for his wife to make up for working on her birthday. For the video, he staged an "apology parade," complete with Irish step dancers and an elephant.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry-scented paper.
Songs about drugs, revolution and greed that have been used in commercials for sneakers, jeans, fast food, cruises and cars.
Can you be married in one country but not another? Only if you're part of a gay couple. One of the first famous singers to come out as a lesbian, Janis wrote a song about it.
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
"Come On Eileen" was a colossal '80s hit, but the band - far more appreciated in their native UK than stateside - released just three albums before their split. Now, Dexys is back.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
Donny Osmond talks about his biggest hits, his Vegas show, and the fan who taught him to take "Puppy Love" seriously.
