"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."
Janet Jackson's "Alright" video features Cab Calloway and Cyd Charisse, stars of musicals she loved as a kid.
Beck's "Where It's At" is a nod to the early years of hip-hop when DJs would use two turntables to loop drum breaks, and a microphone to hype the crowd ("two turntables and a microphone...").
Damon Albarn found inspiration for Blur's Britpop classic "Girls & Boys" while on holiday in Majorca. He noted that in the club scene there was "no morality involved."
"Cleveland Rocks" was written by an Englishman. Ian Hunter wrote the song after touring America in the late '70s and finding that Cleveland was by far the most receptive city to his brand of Glam Rock.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.
