
The Lady Gaga/Beyoncé collaboration "Telephone" isn't just about turning down an unwanted caller, it's an analog for how Gaga was feeling overwhelmed, like a phone was always ringing in her head.

Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.

When it topped the chart in 2012, Dierks Bentley's "5-1-5-0" became the first #1 Country hit with a title that's all numbers.

Richard Marx' debut single "Don't Mean Nothing" features Joe Walsh on guitar.

Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.

"Tush" doesn't have to refer to anatomy, according to ZZ Top. It's a word that also means "lavish."
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
An interview with Dr. John Covach, music professor at the University of Rochester whose free online courses have become wildly popular.
When televangelists like Jimmy Swaggart took on rockers like Ozzy Osbourne and Metallica, the rockers retaliated. Bono could even be seen mocking the preachers.
On "Life Is A Highway," his burgeoning solo career, and the Rascal Flatts song he most connects with.
Did Eric Clapton really steal George's wife? What's the George Harrison-Monty Python connection? Set the record straight with our Fact or Fiction quiz.
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.