"Baby One More Time" was originally offered to TLC but they passed on it. The R&B trio felt uncomfortable singing "'hit me baby one more time."
The Four Tops' "I Can't Help Myself (Sugar Pie Honey Bunch)" was written by the Motown team of Lamont Dozier, Brian Holland and Eddie Holland. The phrase "Sugar pie, honey bunch" was something Dozier's grandfather used to say when he was a kid.
John Lennon got the title of the Beatles song "Happiness Is A Warm Gun" from an article in a magazine published by the National Rifle Association.
Beyonce Knowles and Michelle Williams wrote "Girl" for Kelly Rowland as an encouragement for her to end her relationship with a verbally and physically abusive boyfriend.
Adele isn't a ghost when she sings, "Hello from the other side" - it means the "other side of becoming an adult."
"Hunger Strike" by Temple of the Dog features Chris Cornell and Eddie Vedder, and was Vedder's first music video.
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
Bowie's "activist" days of 1964 led to Ziggy Stardust.
A renowned guitarist and rock revivalist, Dave took "I Hear You Knocking" to the top of the UK charts and was the first to record Elvis Costello's "Girls Talk."
Bradley Cooper, Michael J. Fox, Rami Malek, Reese Witherspoon, Gwyneth Paltrow and George Clooney: Which actors really sang in their movies?
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.