
Eric Clapton wrote "Layla" about his love for Pattie Harrison, who was married to George Harrison at the time. He eventually married Pattie, and managed to stay friends with George.

2001 was when collaborations between rappers and singers became commonplace, leading to a new Grammy category: Best Rap/Sung Collaboration. The first winner was "Let Me Blow Ya Mind" by Eve and Gwen Stefani. This was before Stefani put out her first solo album.
The first rap song to make the Hot 100 was "Rapper's Delight" by The Sugarhill Gang in 1979. At the time, many considered rap a fad that would soon pass.

"Slow Hand" was a #1 Country hit for Conway Twitty in 1982, a year after The Pointer Sisters recorded it.

Diane Warren originally wrote Aerosmith's hit tune "I Don't Want To Miss A Thing" for Celine Dion.

"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
The Kiss rocker covers a lot of ground in this interview, including why there are no Kiss collaborations, and why the Rock Hall has "become a sham."
Country songs with titles so bizarre they can't possibly be real... or can they?
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.
Their frontman (Chris Cornell) started out as their drummer, so Soundgarden takes a linear approach when it comes to songwriting. Kim explains how they do it.
Dwarfs on stage with an oversize Stonehenge set? Dabbling in Satanism? Find out which Spinal Tap-moments were true for Black Sabbath.
Chris and his wife Tina were the rhythm section for Talking Heads when they formed The Tom Tom Club. "Genius of Love" was their blockbuster, but David Byrne only mentioned it once.