In what may be a world first, a peer-reviewed journal, Frontiers in Psychology, has published a song.

The musical contribution to science is called ‘It’s Hard Work Being No One’, and it comes from psychologist J. Scott Jordan of the Illinois State University. Here’s some of the lyrics, which deal with nothing less than the existential question of identity:
I got a ticket on the next train to OZ
Gotta see that crazy wizard because
Even tin man was an I, just had no heart
Scarecrow was