Burr was among a number of celebrity and musician cameos when Primus played the Greek Theatre in Los Angeles on August 6.

Bill Burr sat in with members of Primus and Tool during a performance of "Too Many Puppies" at the Greek Theatre.

If you were scrolling through on Instagram late last night, you might have seen some unhinged clips on the BroBible account, thought, "Is that... uhh Bill ...

Primus with Ty Segall, image via YouTube Last night, Primus stepped into the spotlight at Los Angeles’ iconic Greek Theatre for the penultimate staging in ...

Ty Segall did vocals on a cover of Black Sabbath’s ”N.I.B.,” which Primus performed with Puddles Pity Party last month.

Primus, of course, plays the theme song to South Park, which is currently in the middle of its 27th season. The band also ...

Primus pulled in an eclectic list of surprise guests for its show last night (Aug. 6) at Los Angeles' Greek Theatre.

Matt Stone hopped behind the drums to help Primus cover a King Crimson song. Members of Tool and comedian Bill Burr also joined the set in Los Angeles.

Primus pulled in an eclectic list of surprise guests for its show last night (Aug. 6) at Los Angeles' Greek Theatre.

Chancellor and Burr (on drums) drove the rhythm section on “Too Many Puppies,” while Stone manned the drum kit for a cover of King Crimson’s “Thela Hun Ginjeet,” which Primus had only ...

What does living the dream as a drummer actually look like? Forget the private jets and trashed hotel rooms. For John Hoffman, it looks like taking the ...

South Park co-creator Matt Stone joined Primus on drums for a cover of King Crimson's "Thela Hun Ginjeet" in Los Angeles on August 6th.