Super Mario Bros., level 1 music (main theme), played with a lot of instrument, ranging from the usual voice, piano, and guitar, to the less usual sousaphone, jaw harp, ruler, and tesla coil.
11 strings Bass
Clarinet and Flute
Drums and Bass
Hand (by a manualist)
RC Car and Bottles
Throat (à la Animal House)
Tesla Coil (you HAVE to see it)
P.S.: my son's name is Mario. This fact is totally unrelated (giggle).