Jay-Z's version of "99 Problems" is a cover of a 1993 song by Ice-T with the lyrics changed to be about Jay's rise to fame.
Paul McCartney's favorite song that he wrote for someone else is Cilla Black's 1968 UK Top 10 hit, "Step Inside Love."
"Whip It" by Devo is about the rah-rah affirmations delivered by politicians and motivational speakers who often have ulterior motives.
"Cleveland Rocks" was written by an Englishman. Ian Hunter wrote the song after touring America in the late '70s and finding that Cleveland was by far the most receptive city to his brand of Glam Rock.
Graham Nash wrote the domestic tranquility classic "Our House" about the house he shared with Joni Mitchell. It was a very very very fine house.
Shaboozey's "A Bar Song (Tipsy)" is a country reworking of J-Kwon's hip-hop hit "Tipsy," with the setting changed from a club to a dive bar.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Rise Against frontman Tim McIlrath explains the meanings behind some of their biggest songs and names the sci-fi books that have influenced him.
An Electronic music pioneer with Asperger's Syndrome. This could be interesting.
The Yardbirds drummer explains how they created their sound and talks about working with their famous guitarists.
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."