Brooklyn sextet White Rabbits brought their crowd-pleasing post-Stomp indie rock to The Late Show last night via "Percussion Gun," the appropriately percussive opening track from their just-released, Britt Daniel-produced It's Frightening. But it's not frightening (try Mastodon instead). Letterman's excited about the "tremendously talented" Rabbits from the get go, and afterward the studio audience is all worked up too. [videoembed ...