Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
Cindy Crawford, Naomi Campbell, Linda Evangelista, Christy Turlington and Tatjana Patitz lip-synched George Michael's lyrics in his "Freedom '90" video.
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.
Jay-Z's version of "99 Problems" is a cover of a 1993 song by Ice-T with the lyrics changed to be about Jay's rise to fame.
The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
In Led Zeppelin's "Fool In The Rain," the guy goes into a funk when he thinks he's been stood up, but is elated when he realizes he's been standing on the wrong corner, and it's all a terrible mess.
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.
The drummer and one of the primary songwriters in Grand Funk talks rock stardom and Todd Rundgren.
Can you name Def Leppard's only #1 hit in America? Get rocked with this adrenalized quiz.
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.
With Bernie Taupin, Martin co-wrote the #1 hits "We Built This City" and "These Dreams." After writing the Pretty Woman song for Go West, he had his own hit with "In the House of Stone and Light."