LA has a history of in-store appearnaces by popular musicians gone awry, most famously the Depeche Mode riot that occured when the band attempted to do a signing session for their Violator album. But few would have expected that Canadian electronic music artist Deadmau5 would cause such a rukus when he appeared yesterday evening at the Apple Store in Santa Monica, CA. Danceblogga reports:

A reliable source tells us that Santa Monica, California police shut down a scheduled appearance by Deadmau5 at the local Apple store last night before it could happen as a result of overcrowding. On his MySpace blog Mr. Mau5 encouraged fans to reprise an in-store thronging at a previous Los Angeles-area apperance: “How many people can we fit into an apple store,” he writes.

“I seriously don’t think they have …