When "Believe" hit #1 in America, it made Cher, age 52, the oldest woman ever to top the chart.
The party tune "Mambo No 5 (A Little Bit Of)" was the theme song for the 2000 Democratic Convention (the party of Bill Clinton), until someone noticed the line, "A little bit of Monica in my life."
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
"Dirty Water" became a Boston sports anthem in the '00s, but it was written by a guy from California after almost getting mugged on a visit to the city.
Ed Sheeran thought he wrote the x track "Photograph" on 6th Street in Denver, so he got a tattoo saying 6 ST. But when he returned it turned out the street was actually 6th Avenue.
Avril Lavigne said her Goodbye Lullaby track "Darlin" was "probably" the second song she ever wrote. The Canadian composed it when she was an unsigned 15-year-old living in Napanee, Ontario.
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
It started with a bouncy MTV classic. Nirvana and MCR made them scary, then Gwen, Avril and Madonna put on the pom poms.
