Sturdy work from regulars Anthony Fusco, Jud Williford, and Delia MacDougall can't fully alleviate the overall lethargy.
A damp firecracker of a '68 tribute, in other words, but the real show is turning out to be in the streets anyway, as the increasingly tumultuous anniversary year rocks and rolls ominously along.
ROCK 'N' ROLL
Through Oct. 12
Tues.Sat., 8 p.m. (also Wed. and Sat., 2 p.m.); Sun., 1 and 7 p.m., $20<\d>$82
American Conservatory Theater
415 Geary, SF