That's Cheech Marin leading "Ronnie Runt and the Runt Tones" from CHEECH & CHONG's "LET'S MAKE A NEW DOPE DEAL" album ("Moe Money" track).
Congratulations to a couple of first-time winners: Steven Shilling from New Jersey and Todd Wilkinson of Merrillan, WI. They receive a copy of the demented song of their choosing.