Jay-Z's 2012 "Glory" features his daughter Blue Ivy Carter's cries and coos. At less than two days old, she became the youngest ever credited artist to feature on a Billboard chart when the song debuted on R&B/Hip-Hop Songs at #74.
"Anaconda" was originally recorded by Missy Elliott in 2012, but the rapper decided to shelf the track so it was re-recorded by Minaj two years later.
A key line in "Africa" is "I seek to cure what's deep inside, frightened of this thing that I've become," which is about drifting away from what you really want in life. Toto keyboard player David Paich, who wrote the song, felt his work was consuming him.
A one-ton bell was custom made for AC/DC's "Hell's Bells." The recording was slowed to half speed to make it sound like a more ominous two-ton bell.
Many people believe "Hotel California" is about a mental institution called the Camarillo, but the Eagles say it's about materialism and excess.
Elton John's songwriting partner Bernie Taupin wrote the original lyrics for Starship's "We Built This City." It was the first Hot 100 Top 10 hit Taupin wrote without John.
"Lullaby" singer Shawn Mullins on "Beautiful Wreck," beating the Devil, and his writing credit on the Zac Brown Band song "Toes."
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
Known in America for the hit "If You Leave," OMD is a huge influence on modern electronic music.