 Jacob used JM3s successfully on a Joan Baez concert, and then a larger system was deployed in April 1970 on Hendrix's The Cry of Love Tour.Jacob began in 1970 to wean himself from Hendrix tours, as he had more concert dates with Peter, Paul and Mary.McCune soundman Mike Neal took over sound for Hendrix, mixing a sold-out show at the Berkeley Community Theatre in May while Jacob recorded the event from inside the Wally Heider mobile recording truck.