
When "Last Friday Night (T.G.I.F.)" climbed to #1 on the Hot 100, Katy Perry became the first woman to send five songs from one album to the top of the charts. The four previous chart-toppers from her Teenage Dream set were "California Gurls," "Teenage Dream," "Firework" and "E.T."

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.

"Dude (Looks Like A Lady)" by Aerosmith was inspired by Vince Neil from Motley Crue.

With his song "The G.O.A.T.," as in Greatest Of All Time, LL Cool J popularized that saying in hip-hop. He credits the boxer Muhammad Ali, who called himself "The Greatest," as inspiration.
The "Doctor of philosophy" in the Indigo Girls' song "Closer To Fine" is based on a teacher Emily Saliers had who had a poster of Rasputin on his door.

"Invisible Touch" was the first time a band member (Phil Collins) had a #1 Hot 100 hit with a group after scoring a #1 solo hit.
Charlotte was established in the LA punk scene when a freaky girl named Belinda approached her wearing a garbage bag.
Doors expert Jim Cherry, author of The Doors Examined, talks about some of their defining songs and exposes some Jim Morrison myths.
A scholarly analysis of yacht rock favorites ("Steal Away," "Baker Street"...) with a member of the leading YR cover band.
Writing great prog metal isn't easy, especially when it's for 60 musicians.
Holly Knight talks about some of the hit songs she wrote, including "The Warrior," "Never" and "The Best," and explains some songwriting philosophy, including how to think of a bridge.