MARLBOROUGH — The Marlborough Public Library, 35 W. Main St., will host the annual Paternoster Trust Opera Concert, “Opera Classics,” at 7 p.m. April 25.

The concert will feature Molly Jo Rivelli, soprano; Giovanni Formisano, tenor; and Stephen Steiner, pianist.

The evening’s concert is presented by the Paternoster Memorial Opera Trust in memory of Renzo Paternoster and Friends of the Marlborough Public Library and is funded in part by the Ezra Cutting Trust, Bank of America, Trustee; a grant from Marlborough Cultural Council, a local agency which is supported by the Massachusetts Cultural Council, a state agency, Friends Memorial Fund and a grant from the Cummings Properties in honor of Ginger Ryan.

The event is free and handicapped-accessible.