The "Don't Stop Believin'" lyric was inspired by Sunset Boulevard, making it perfect for the Rock of Ages musical.
Zach Bryan and Kacey Musgraves had both gone through divorces when they wrote and recorded the wrenching duet "I Remember Everything." It was the first #1 Hot 100 hit for each of them.
Michael Jackson was only 11 years and 5 months old when the Jackson 5's "I Want You Back" became the group's first #1 hit. This made Jackson the youngest group member ever to top the Hot 100.
Beyonce Knowles and Michelle Williams wrote the Destiny's Child song "Girl" for Kelly Rowland as an encouragement for her to end her relationship with a verbally and physically abusive boyfriend.
Kelly Rowland was the first Destiny's Child member to have a hit away from the group: her Nelly duet "Dilemma."
The CCR song "Run Through the Jungle" is about gun control.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
With the rise of Kindie rock, more musicians are embracing their inner child with tunes for tots - here, we look at pop stars who recorded kids' albums.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.