The Fratellis song "Chelsea Dagger" was named for their lead singer's wife - it was her burlesque name.
Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
Jay-Z did the rap on Beyoncé's "Crazy In Love" at the last minute. They had just started dating; she asked him to feature on the track the night before she had to turn in her album.
Jethro Tull lead singer Ian Anderson wrote "Aqualung" after looking at pictures of homeless men that his wife took. She got a co-writing credit on the song.
Celine Dion's 1998 festive tune "The Magic of Christmas Day (God Bless Us Everyone)" came from an unlikely source. It was penned by Dee Snider of the heavy metal band Twisted Sister.
"We Will Become Silhouettes" by The Postal Service sounds happy and fun, but it's a very bleak song about a nuclear winter. Lead singer Ben Gibbard wrote the lyric while ruminating over 9/11.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
'80s music ambassadors Wang Chung pick their top tracks of the decade, explaining what makes each one so special.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
Phone booths are nearly extinct, but they provided storylines for some of the most profound songs of the pre-cell phone era.
A look at the good (Diana Ross, Eminem), the bad (Madonna, Bob Dylan) and the peculiar (David Bowie, Michael Jackson) film debuts of superstar singers.
Rockers, rappers and pop stars have been known to quote the Bible in their songs. See if you match the artist to the biblical lyric.