The Hollies hit "The Air That I Breathe" was written in part as a reaction to the smog in Los Angeles.
The game Lana Del Rey sings about in "Video Games" is World of Warcraft - her ex used to play it all the time.
Taylor Swift used a line from "Blank Space" on party favors at her wedding to Travis Kelce: "So it's gonna be forever..." It's Kelce's favorite Taylor Swift song.
John Lennon's lead guitar work on Yoko Ono's "Walking On Thin Ice" proved to be his final creative act. It was upon their return home after completing laying down the track that Lennon was murdered by Mark David Chapman.
Bryan Adams' 1987 song "Heat Of The Night" has the distinction of being the first commercially released cassette single in the US.
"Hips Don't Lie" is Shakira's in-studio mantra for her crew: If her hips are moving, the song is working. If not, best to try something else.
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?
The Garbage drummer/songwriter produced the Nirvana album Nevermind, and Smashing Pumpkins' Gish and Siamese Dream.