"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."
Sia planned to quit her solo career after her 2014 album 1000 Forms of Fear, but the "Chandelier" video proved so popular it drew her back in.
Prince kept doves at his Paisley Park mansion. And yes, sometimes they did cry.
A gospel choir appears in Sam Smith's "Stay With Me" video, but the vocals on the song are all Smith - about 20 tracks of his voice were used to make him sound like a chorus.
It really was so easy for Linda Ronstadt to score a hit with her Buddy Holly cover of "It's So Easy." She would sometimes change the lyric to: "It's so easy to have a hit, all you have to do is recycle it."
"Veronica" was inspired by Elvis Costello's grandmother, who suffered from Alzheimer's disease.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
A band so baffling, even their names were contrived. Check your score in the Ramones version of Fact or Fiction.
Zac tells the story of Hanson's massive hit "MMMbop," and talks about how brotherly bonds effect their music.
Outrageously gifted and just plain outrageous, Millie is an R&B and Rap innovator.
Emilio talks about what it's like to write and perform with the Tower of Power horns, and why every struggling band should have a friend like Huey Lewis.
John Lennon, Paul Simon and Lynyrd Skynyrd are some of the artists who have written revenge songs. Do you know who they wrote them about?
