The Boyz II Men hit "It's So Hard To Say Goodbye To Yesterday" is an a capella cover of a song from 1975 by G.C. Cameron that was used in the movie Cooley High to express the feeling of parting ways with high school friends.
"Head Over Heels" by The Go-Go's is a metaphor for how things were getting out of control for the band; they broke up a year later.
"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
The Steve Miller song "Abracadabra" was inspired by Diana Ross and The Supremes. Miller first met the girl group when they performed together on NBC's Hullabaloo in 1966, and he wrote the lyrics after spotting Diana Ross skiing years later.
"Santa Claus Is Coming To Town" is the most performed holiday song of all time, according to a Top 30 list released by the performance rights organization ASCAP in December 2014.
Don Johnson, who starred as Sonny Crockett in Miami Vice, was also a singer. He had a #5 hit in 1986 with "Heartbeat."
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
Surprise exits, a catfight and some very memorable performances make our list of the most memorable Idol moments.
One of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.
In her days with The Runaways, Joan Jett saw The Arrows perform "I Love Rock And Roll," which Alan Merrill co-wrote - that story and much more from this glam rock pioneer.
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
The longtime BS&T frontman tells the "Spinning Wheel" story, including the line he got from Joni Mitchell.