Singer Nathan Leone explained this song to Kerrang! April 4, 2009: "There are a lot of temptations that tug at you in this world: girls, drugs, going out partying. There are things you aren't meant to do, but there seems to be a devil on your shoulder telling you to do them. This song is about that guy coming out at night when you're restless and you feel like you haven't done enough living, Sid and Nancy style!"
"What's Up" by 4 Non Blondes has endured as one of the most popular songs of the '90s, but it wasn't a huge hit at the time and the band split after one album. Frontwoman Linda Perry went on to write hits for Pink and Christina Aguilera.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.