It has been confirmed that Ronnie Montrose committed suicide. The guitarist died as a result of a self-inflicted gunshot wound. He was more than four times over the legal alcohol limit when he pulled the trigger. Montrose had struggled with clinical depression for much of his life and had recently endured the death of his uncle and dog. Here's the original Montrose lineup (featuring a young Sammy Hagar on vocals) performing the classic "Bad Motor Scooter" in 1974.