Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
Enrique Iglesias' single "Bailando" was the first ever Spanish-language song to reach one billion views on YouTube.
"Oh Well," from their 1960s Peter Green era, is the only Fleetwood Mac song played in concert in every decade they've been extant.
"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and recorded it themselves.
New Order got the title for "Blue Monday" from an illustration that read "Goodbye Blue Monday" in the Kurt Vonnegut book Breakfast Of Champions. The image refers to the invention of the washing machine improving housewives' lives.
Avril Lavigne said her Goodbye Lullaby track "Darlin" was "probably" the second song she ever wrote. The Canadian composed it when she was an unsigned 15-year-old living in Napanee, Ontario.
These Three famous songs actually describe how they were written - late into the evening.
The country sweetheart opines about the demands of touring and talks about writing songs with her famous father.
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.
Find out how God and glam metal go together from the Stryper frontman.
The leader of the Modern A Cappella movement talks about the genre.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.