Imagine Dragons lead singer Dan Reynolds says their 2012 hit "Radioactive" is "a song about having an awakening; kind of waking up one day and deciding to do something new, and see life in a fresh way."
Quincy Jones wanted to change the title of "Billie Jean" to "Not My Lover" so it wouldn't be confused with the tennis star Billie Jean King. Michael Jackson refused.
Lucinda Williams' track "Compassion" is based on a poem by her father, lauded Arkansas poet Miller Williams.
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100 in 2011, Bennett became, at age 85, the oldest living artist to make that chart.
"Pink Cadillac" was a B-side for Bruce Springsteen in 1984, but after Aretha Franklin sang about pink Cadillacs on "Freeway Of Love" the following year, Natalie Cole covered the song and had a hit with it in 1988.
Kelly Keagy of Night Ranger tells the "Sister Christian" story and explains why he started sweating when he saw it in Boogie Nights.
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.
How well do you know your protest songs (including the one that went to #1)?
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
