Train wrote the 2011 song "Brand New Book" for the TV show The Biggest Loser - part of the song was used in the opening credits.
In the INXS song "Devil Inside," the devil represents chaos. "Every time you think something's right, he comes in and changes everything," Michael Hutchence said.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry-scented paper.
Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
"Veronica" was inspired by Elvis Costello's grandmother, who suffered from Alzheimer's disease.
"Happy Xmas (War Is Over)" is based on billboards John Lennon and Yoko Ono posted two years earlier declaring "War Is Over! If You Want It."
How well do you know your protest songs (including the one that went to #1)?
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.
Charlie discusses the songs that made him a Southern Rock icon, and settles the Devil vs. Johnny argument once and for all.
A talk with Martin Popoff about his latest book on Rush and how he assessed the thousands of albums he reviewed.
Untangling the events that led to the "Stairway To Heaven" lawsuit.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.