There are 2 bands that go by the name Gutbucket: #1 -
http://www.gutweb.com/
Flitting from hard rock to Latin to thrash to klezmer and back, often within the space of a few bars, the group veritably attacks their music with the kind of ferocity usually reserved for punk, despite having earned their jazz bona fides. “We’re all pretty serious about rock,” says saxophonist Ken Thomson, “and not just a token throwing-in of some different tunes. It’s something intrinsic to who we are as people.

Read more about Gutbucket on Last.fm.