The title of Florence + the Machine's "How Big, How Blue, How Beautiful" was inspired by the Los Angeles skyline.
"This Must Be The Place" is a rare love song by the Talking Heads, with a very personal lyric from David Byrne likely inspired by the woman who became his first wife.
The Kate Bush song "Why Should I Love You?" is a collaboration with Prince. He completely re-worked her demo, so Bush spent a lot of time piecing it back together to keep her imprint.
The instrumental "YYZ" by Rush got its title from the transmitter code for Lester B. Pearson International Airport in Toronto, near where the band is from.
Al Green's commitment classic "Let's Stay Together" launched Tina Turner's comeback when she covered the song in 1983.
The chorus in "September" by Earth, Wind & Fire is "Bada-Ya, dancing in September." Group leader Maurice White left it "Bada-Ya" instead of a real word because he never let a lyric get in the way of a groove.
The flautist frontman talks about touring with Led Zeppelin, his contribution to "Hotel California", and how he may have done the first MTV Unplugged.
A top session musician, Carol played on hundreds of hits by The Beach Boys, The Monkees, Frank Sinatra and many others.
In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.
A history of songs dealing with transgender issues, featuring Pink Floyd, David Bowie, Morrissey and Green Day.
Songwriting Hall of Famer Linda Perry talks about her songs "What's Up" and "Beautiful," her songwriting process, and her move into film music.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.