Sheet music (if for some godforsaken reason you need the sheet music for this): https://drive.google.com/file/d/0Bxr3sxXr4Cocb2JQempJRkVKZUU/view?usp=sharing All Star by Smash Mouth but it's partwritten for four voices following the compositional rules established by Bach, which include (but are not limited to) sounding every note of a given chord, avoiding parallel motion octaves and fifths, doubling the root of non-inverted chords, resolving leading tones appropriately, and of course, following the established chart of chord progressions to prevent retrogression.