The chipper-sounding "MMMbop" by Hanson has a heavy lyrical theme, asking us to look at the big picture and value what is lasting in life: our support systems.
"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.
Ronnie Dunn wrote "Boot Scootin' Boogie" before he teamed up with Kix Brooks to form Brooks & Dunn. It was originally recorded by the country group Asleep At The Wheel, but Brooks & Dunn did it themselves when it got its own line dance.
Rihanna was Pitbull's first choice to sing on "Timber," but she wasn't available at the time so he enlisted his RCA labelmate Kesha instead.
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.
Harry Wayne Casey tells the stories behind KC and The Sunshine Band hits like "Get Down Tonight," "That's The Way (I Like It)," and "Give It Up."
The top Contemporary Christian artist of all time on song inspirations and what she learned from Johnny Carson.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.