Les Claypool’s Bastard Jazz played at the music/comedy event Clusterfest in San Francisco, CA over the weekend.

Joining Claypool for the brief set was Mike Dillon, Skerik and Eric Harland as well as special gusts Gabby La La and comedian/musician Fred Armisen, best known for his roles on Saturday Night Live, Portlandia and as the bandleader for Seth Meyers’ late night show.

Gabby La La, the multi-instrumentalist who has collaborated with Claypool previously, joined in on “Whamola,” which was played as the theme for South Park. Armisen joined in on the final song, “D’s Diner,” as “Fernando.” Claypool then instructed him to play a solo on the timbales according to the shifting images on the screen.

Watch the collaboration above.