Listen carefully and you'll hear the sound of birds in "Birds Of A Feather" by Billie Eilish. Her brother/producer Finneas couldn't resist putting them in, but he kept them real quiet in the mix.
Chrissie Hynde got the phrase "Brass In Pocket" from a Northern England slang term meaning you had some money, "brass" meaning coins.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
"She Loves You" by The Beatles was the song that convinced Ozzy Osbourne to make music his life. The Beatles were a big influence on him because they were also poor kids from a small town in England.
Weird Al Yankovic proposed a parody of "Black Or White" called "Snack All Night," but Michael Jackson asked him not to.
Rihanna's 2012 hit "Diamonds" was written by Sia Furler, who two years later had a huge hit on her own with "Chandelier." Sia also wrote the David Guetta hit "Titanium."
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
Doors expert Jim Cherry, author of The Doors Examined, talks about some of their defining songs and exposes some Jim Morrison myths.
Producer Rupert Hine talks about crafting hits for Tina Turner, Howard Jones and The Fixx.
The evolution of the symbol that was Prince's name from 1993-2000.