Seth Swirsky, who wrote this song, hasn't opened this box, but we assume there's candy inside. (photo courtesy of Swirsky)

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."
The New Year's Eve favorite "Auld Lang Syne" is a Scottish song that roughly translates to "Days Of Long Ago."

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 song "Grease," sung by Frankie Valli in the 1978 movie, was written by Barry Gibb of The Bee Gees.

Shinedown lead singer Brent Smith had a band before Shinedown that was dropped by Atlantic Records, but the label offered him a development deal - that was his "Second Chance."

Jethro Tull lead singer Ian Anderson wrote "Aqualung" after looking at pictures of homeless men that his wife took. She got a co-writing credit on the song.
Many unusual folks appear in Grateful Dead songs. Can you identify them?
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.
Billy Joel and Hall & Oates hated making videos, so they chose a director with similar contempt for the medium. That was Jay Dubin, and he has a lot to say on the subject.
An interview with Dr. John Covach, music professor at the University of Rochester whose free online courses have become wildly popular.
Paul Stanley on his soul music project, the Kiss songs with the biggest soul influence, and the non-make-up era of the band.