An all-cat band is performing this weekend in Philly. Good luck getting a ticket.

Even by rock and roll standards, the egos and drama within Tuna and the Rock Cats is something to behold. Sometimes, in the middle of a show, the band’s lead guitarist — St. Claude — will decide that he’d prefer to play Christmas music, and begin performing “Jingle Bells.” Roux, on clarinet, is a prodigy. But Annie, who plays the chimes, can be volatile; sometimes, if it gets too hot during a show, she’ll simply lie down on stage, refusing to perform. “Annie also plays guitar,” says Samantha Martin, the band’s founder. “But she wants to beat up the keyboard player, and we can’t have brawls on stage.” Behind the meowsicDespite this artistic anarchy — or perhaps because of it — Tuna and the Rock Cats have become an extremely hot ticket. Billed as the world’s only all-cat band, the Georgia-ba