Free riverside concert and world premier of "Surviving Agnes: The Flood of '72 Remembered" plus a reprise of "Where Sacred Waters Divide" featuring the Cantata Singers, instrumentalists, and the Sharing Space Dance collective. Part of "Reimagine the River"' weekend with the Friends of Chemung River Watershed. Free parking. Bring lawn chairs. El Pancho food truck. Kayak rentals available. Details at www.cantatasingers.com and www.chemungriverfriends.org.