SLIGHTLY STOOPID PERFORM SURPRISE “PURPLE RAIN” WITH BOB WEIR, KARL DENSON, ANGELO MOORE, AND FRIENDS AT TRI STUDIOS Live Broadcast To Stream for Free All Day Today, April 22nd, On Qello Concerts April 22, 2016 (San Rafael, CA) – Last night, Slightly Stoopid returned to Tamalpais Research Institute (TRI Studios) for a live performance and webcast featuring special guests including legendary Grateful Dead guitarist Bob… Read More Watch: Slightly Stoopid Perform Prince’s “Purple Rain” with Bob Weir, Karl Denson, and Angelo Moore!