 Complete the following phrase:  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. To satisfy the large, angry crowd turned away at the doors, Jacob pointed the trucks loudspeakers at them to appease them, perhaps preventing a riot. Neal yielded to Jacob on the more important dates such as the 