I really have no idea how these guys aren't bigger in the Steampunk community. The songs are catchy and the performance is fantastic.
From their website:
The robots of Steam Powered Giraffe are like nothing you've ever seen. The malfunctioning joke-spewing metal men play a collection of original Vaudeville inspired tunes fused with modern flare and executed in a super-sleek, one-of-a-kind performance.