eChipmunks

name of alvin and the chipmunks song?

what is the name of the song at the very begining of the alvin and the chipmunks movie? i know i've heard it before i just cant remember where? can someone please tell me what the name of the song is? its the first song they sing in the movie.

Public Comments

1. Its bad day but I dont know who sings it.
2. Bad Day - Daniel Powter http://www.youtube.com/watch?v=RmNTAvnSais (Daniel's Version) http://www.youtube.com/watchv=KKrDvLlgfvA&feature=related (Chipmunk Version)
3. Fuel Bad Day
4. bad day, but there is many versions of it