This was scheduled to be the first single by American singer Jesse McCartney from his fourth album, which had the working title Have It All. The song was released through Digital Download on September 21, 2010, but the album release date was pushed back on several occasions and was eventually canceled completely.
The song is about a girl who Jesse has won the heart of. "Everybody knows - I got the MASTER Key to that girls heart. He just got a copy," tweeted McCartney after the song's premiere.
The song's sexy lyrics are about falling in love in a way that McCartney told MTV News can really mean anything you want them to. "It's definitely open for interpretation," he said explaining why he chose to release this track. "I'm really excited about 'Shake.' We decided that would be the first single to represent Have It All and I felt like that song was kind of the closest to [2008's] Departure and it was a way to sort of reacquaint the fans with my music."
McCartney told Just Jared that "Shake," is "a record I did with two writers who work under Dr. Luke's camp and we wrote it in a matter of hours. 'Shake' can mean whatever you want it to mean. It's a pretty loose term (laughs)."