ROCK RIVER ALLEGHENY RIVERTRAIL PARK Summer Outdoor Concert Series! THE All concerts FREE & start at 7PM unless otherwise noted. July 29th Joe Grushecky and the Houserockers September 30th Scott, Rob and Greg of The Clarks GET READY TO ROCK THE RIVER AT ARP!! Visit www.alleghenyrivertrailpark.org for more info! odno=228158 ALLEGHENY RiverTrail Park ROCK RIVER ALLEGHENY RIVERTRAIL PARK Summer Outdoor Concert Series ! THE All concerts FREE & start at 7PM unless otherwise noted . July 29th Joe Grushecky and the Houserockers September 30th Scott , Rob and Greg of The Clarks GET READY TO ROCK THE RIVER AT ARP !! Visit www.alleghenyrivertrailpark.org for more info ! odno = 228158 ALLEGHENY RiverTrail Park