It's not a real song, just music composed for the episode.
What is the song that stewie griffin sings in the The Tan Aquatic with Steve Zissou episode?
The song is entitled "Up Were We Belong".
the original song is called cars by Gary Numan.
the heman song
Stew-Roids
It's not a real song.
Hard-FI - Living for the Weekend
He sang Rocketman
The Warrior by Scandal (1984)
Brandi Carlile - The Story
He sings 'Suicide is Painless', the theme song from M*A*S*H*.
"Cars" by Gary Numan. (Although Stewie didn't sing the real lyrics.)