"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
A roadie for the Allman Brothers came up with the line "The road goes on forever" for "Midnight Rider," and got a songwriting credit for his contribution.
"Torn" by Natalie Imbruglia was first recorded by the group Ednaswap in 1993. It was written by Ednaswap's Anne Previn and Scott Cutler, who went on to write some hits for Miley Cyrus.
Robert Plant's "Heaven Knows" is a satirical look at the '80s, when style seemed to trump substance.
The chorus in "September" by Earth, Wind & Fire is "Bada-Ya, dancing in September." Maurice White left it "Bada-Ya" instead of a real word because he never let a lyric get in the way of a groove.
"Sail" by AWOLNATION had a remarkably slow climb up the Hot 100. It was the first ever song to spend over a year on the chart before entering the top 20.
We've heard of artists putting their hearts into their music, but some take it literally.
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
One of Canada's most popular and eclectic performers, Hawksley tells stories about his oldest songs, his plentiful side projects, and the ways that he keeps his songwriting fresh.
Phone booths are nearly extinct, but they provided storylines for some of the most profound songs of the pre-cell phone era.
The top Contemporary Christian artist of all time on song inspirations and what she learned from Johnny Carson.