"Sister Christian" was written by Night Ranger drummer Kelly Keagy, who was imploring his younger sister to be careful in her reckless youth, especially when "motoring" (driving around) with friends.
Fleetwood Mac's "Gypsy" is about Stevie Nicks' best friend, who died of leukemia.
Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
"Take My Breath Away" from Top Gun was a huge hit for Berlin, but lead singer Terri Nunn was the only band member to perform on it. This caused friction that broke up the group a year later.
"Anaconda" was originally recorded by Missy Elliott in 2012, but she decided to shelf the track so it went to Nicki Minaj, who released it two years later.
Elton John's "Crocodile Rock" borrows a bit from Don McLean's "American Pie." Both songs feature a Chevy, and are about young people who are heartbroken when their music "dies."
Chris Stein of Blondie shares photos and stories from his book about the New York City punk scene.
A scholarly analysis of yacht rock favorites ("Steal Away," "Baker Street"...) with a member of the leading YR cover band.
Bowie's "activist" days of 1964 led to Ziggy Stardust.
The guitarist/songwriter explains how he came up with his signature sound, and deconstructs some classic Fear Factory songs.
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
The author of Help! 100 Songwriting, Recording And Career Tips Used By The Beatles, explains how the group crafted their choruses so effectively.