I wrote to David Lemieux about the 5/1/70 setlist. This was his response :
Complete 5/1/70 acoustic set: Deep Elem I Know You Rider Monkey and the Engineer> Candyman Me and My Uncle w/NRPS Mama Tried w/NRPS Cumberland Blues The Race Is On Wake Up Little Susie New Speedway Cold Jordan Uncle John's Band what circulates from the electric set is all I know about it.