"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.
Eric Clapton wrote "Layla" about his love for Pattie Harrison, who was married to George Harrison at the time. He eventually married Pattie, and managed to stay friends with George.
Adele got the title "Rolling In The Deep" from the British saying "Roll Deep," which means to look after someone. She was "rolling deep" with her boyfriend until he betrayed her.
Whitesnake's "Here I Go Again" is a very inspiring song, but it's really about heartbreak: David Coverdale wrote it when his first marriage was falling apart.
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 2010, the biggest-selling song in the UK was "Love the Way You Lie" by Eminem.
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
Brenda talks about the inspiration that drove her to write hit songs like "Get Here" and "Piano in the Dark," and why a lack of formal music training can be a songwriter's best asset.
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
The Red Hot Chili Peppers have some rather unusual song titles - see if you can spot the real ones.
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.