"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."
Sia Furler wrote “Titanium” and originally wanted to give the tune to Katy Perry. She turned it down so David Guetta recorded it instead using Sia's original demo guide vocal.
The song "Grease," sung by Frankie Valli in the 1978 movie, was written by Barry Gibb of The Bee Gees.
"Hunger Strike" by Temple of the Dog features Chris Cornell and Eddie Vedder, and was Vedder's first music video.
Elvis Presley' first #1 on any chart was "I Forgot To Remember To Forget." It arrived at the top of the country tally on February 25, 1956 and stayed there for two weeks.
Simon Rex from the TV show What I Like About You and Wilmer Valderrama from That 70s Show both appear in the LMFAO video for "Sexy and I Know It."
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.
How well do you know this shock-rock harbinger who's been publicly executed hundreds of times?
Gramm co-wrote this gorgeous ballad and delivered an inspired vocal, but the song was the beginning of the end of his time with Foreigner.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
The Christian rapper talks about where his trip to Haiti and his history of addiction fit into his songs.
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.