…is Mucca Pazza. They are a punk rock marching band that doesn’t really march, but do use amplifiers built into their hats (when they’re not playing in someone’s office).
Their compositions are really original and creative and since seeing this video I have bought all four of their albums.
… that’s Gary Kalar is playing an electric 4-string mandolin shaped like a mini Gibson Firebird. And he’s playing it with a slide!!!!!
Here’s some links