"All I Want For Christmas Is You" by Mariah Carey was the first ringtone certified Gold.
When the Christian band DC Talk covered Nirvana's "All Apologies" at concerts, they would change the line "Everyone is gay" to "Jesus is the Way."
The dirty version of Cee-Lo Green's "Forget You" contains 16 F-bombs. He recorded a clean version as an afterthought, "just in case."
Miguel wrote "Adorn" about his girlfriend, the model and artist Nazanin Mandi, when he was returning home from a long trip and was anxious to see her.
Sarah McLachlan's "Possession" contains passages from letters a stalker sent her. He sued her for using them but died by suicide before the trial.
Feist's "1234" is "about lost love, and the hope to recapture what you once had," but it's best known for the Sesame Street version about counting to four.
With his X-wife Exene, John fronts the band X and writes their songs.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Wilder's hit "Break My Stride" had an unlikely inspiration: a famous record mogul who rejected it.
The leader of the Modern A Cappella movement talks about the genre.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
"How much does it cost? I'll buy it?" Another songwriter told Jonathan to change these lyrics. Good thing he ignored this advice.