Mike Schreibman emcees a concert with Poco and Looking Glass at the Sylvan Theater on the Washington Monument grounds, August 1972. The crowd was estimated at 30,000 people. POSTERS: New Riders Livingston Taylor Paul Butterfield Bonnie Raitt Little Feat Ramsey Lewis Cannonball Adderley Lloyd McNeill Country Joe & the Fish Iron Butterfly Bill Withers The Spinners Stephen Stills Manassas Little Feat Dave Mason Taj Mahal Sky Cobb Nitty Gritty Dirt Band Steve Martin Steve Miller Band McKendree Spring Quicksilver Messenger Service The Wackers Emmylou Harris & Earl Scruggs Photo List Poster List Contact  Mike Schreibman About Mike