Pittsburgh Opera presents Tchaikovsky's "Eugene Onegin," grand treatment of a love story that could never be, at 8 p.m. Friday and at 2 p.m. Sunday at the Benedum Center, 719 Liberty Ave. The opera is sung in Russian with English titles projected above the stage. Tickets start at $10. Call 412-456-6666 or visit www.pittsburghopera.org.

<B>Renaissance Rhythm Chorus</B> will host an evening of "Music and Memories" at 7:30 p.m. Saturday at Beaver Falls Middle School's auditorium, 1601 Eighth Ave. in Beaver Falls. The chorus will perform tunes from the 1950s, show tunes and love songs, among others. Other barbershop choruses will perform as well. Tickets are $12 in advance or $15 at the door. Call 724-843-3118.