Members of the San Francisco 49ers, including Dwight Clark, Joe Montana and Ronnie Lott, sang backup on "Hip to Be Square" by Huey Lewis and the News.
Shakira calls her sons Milan and Sasha her "Waka Kids" because she met their father, Spanish soccer star Gerard Piqué, on the video shoot for "Waka Waka (This Time For Africa)," the official song of the 2010 FIFA World Cup in South Africa.
Pete Townshend never had a #1 UK hit with The Who or as a solo artist, but he did produce and play on a song that hit the top spot there: "Something In The Air" by Thunderclap Newman, a group he assembled.
Moby says that "We Are All Made Of Stars" is scientifically accurate, since all matter originates from stardust.
"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
The French part in Talking Heads' "Psycho Killer" explains that the killer is going after a girl, like Norman Bates in the movie Psycho.
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.
The men of Sparks on their album Hippopotamus, and how Morrissey handled it when they suggested he lighten up.
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
Into the vaults for this talk with Bolton from the '80s when he was a focused on writing songs for other artists.
A popular contemporary folk singer, Williams still remembers the sticky note that changed her life in college.
