Grateful Dead, the Mu Tron III, and New Year's '76

A quick run though of the fist time the Mu Tron III Appears at a Grateful Dead show. Black Throated Mercantile Hats! Dig it!!!!! https://blackthroatedmercantile.bigca... The Reverb Mu Tron Doc.    • Mu-Tron: The Groundbreaking Story of The S...