Question

What was the first song in Unorthodox Jukebox?

Answer 1

“Gorilla”

The first song written for Unorthodox Jukebox was "Gorilla", which "set the tone for the entire project"; Mars explained in an interview granted to MTV News that it became its mascot hence the reason it ended up as the album cover.

Answer 2

Locked out of heaven was the first released

Young Girls was the first one on the CD