July 2: Joe Grushecky and The Houserockers with Billy Price.The concert lineup kicks off Saturday, May 27 with a special performance by Velveeta. Guests can catch their favorite Pittsburgh bands and other popular groups live all summer long, while sipping on cool refreshments. “Live on the River,” Rivers Casino’s free summer concert series is back this summer at the casino’s outdoor amphitheater. PITTSBURGH - The summer’s best tunes can be found right on the shores of the Ohio River. Pittsburgh Favorites Return for “Live on the River” Performances