Katy Perry's breakout hit, "I Kissed A Girl," was surprising to those familiar with her past: Her parents were pastors and she started off singing Christian music.
Dolly Parton was just fine with Whitney Houston's cover of "I Will Always Love You." Said Parton: "She can have the credit. I just want my cash."
Many assumed Train's breakthrough hit, "Drops Of Jupiter (Tell Me)," is about a woman who leaves a relationship to find herself. Lead singer Pat Monahan actually wrote it after having a dream about his mother, who was "back in the atmosphere" after dying of cancer.
Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.
The first line of "Papa Was A Rollin' Stone" is "It was the 3rd of September," which is the day lead singer Dennis Edwards' father died.
In The Beatles' "When I'm 64," Paul McCartney asks a woman if she'll still be there for him when he's 64. In 2006, he got his answer when shortly before his 64th birthday, he and Heather Mills separated.
The stories behind the biggest hit songs about trucking.
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.
The "A Thousand Miles" singer on what she thinks of her song being used in White Chicks and how she captured a song from a dream.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.