 The following year, on Tuesday, August 9, 2011, the Giants celebrated the 2nd annual Grateful Dead Night (on Jerry Day), playing the Pittsburgh Pirates.The National Anthem was sung by Lesh, Weir, and Giants' 3rd base coach and singer-songwriter Tim Flannery, and the 7th inning stretch was led by Mickey Hart and Bill Walton.On Tuesday, June 7, 2011, Furthur performed live at Tamalpais Research Institute (a.k.a.