The first big hit by an X Factor winner was "Bleeding Love" by Leona Lewis, who won the British version of the show in 2008. The song was intended for Jesse McCartney, who wrote it with Ryan Tedder.
MC Skat Kat was created for the remix of "Opposites Attract," which was released as the last single from Paula Abdul's Forever Your Girl album. The team that created the Kat also did a-ha's "Take On Me" video.
The songwriting team Leiber and Stoller wrote "Hound Dog" for a blues singer named Big Mama Thronton, who first recorded the song in 1953. Elvis covered it in 1956, and it became his biggest hit.
No Doubt's hit "Don't Speak" is about Gwen Stefani's breakup with the band's bass player, Tony Kanal, after seven years together.
The 2001 Dirty Vegas hit "Days Go By" was written by their lead singer when he was longing for his ex-girlfriend. The sad song gave him a happy ending though: They got back together after it was released and eventually got married.
Avril Lavigne's 2011 song "Darlin" was written much earlier; she says it's the second song she ever wrote, composed when she was an unsigned 15-year-old living in Napanee, Ontario. The song reflects those years when she was "trying to figure it all out."
Can you be married in one country but not another? Only if you're part of a gay couple. One of the first famous singers to come out as a lesbian, Janis wrote a song about it.
How a goofy detective movie, a disenchanted director and an unlikely songwriter led to one of the biggest hits in pop history.
One of the most successful songwriters in the business, Desmond co-wrote "Livin' La Vida Loca," "Dude (Looks Like A Lady)" and "Livin' On A Prayer."
Sheryl Crow's longtime songwriting partner/guitarist Jeff Trott reveals the stories behind many of the singer's hits, and what its like to be a producer for Leighton Meester and Max Gomez.
"Come On Eileen" was a colossal '80s hit, but the band - far more appreciated in their native UK than stateside - released just three albums before their split. Now, Dexys is back.
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.