The Newport Symphony Orchestra closes out its season with an all-Russian program that includes Tchaikovsky’s Symphony No. 4, the Festive Overture of Shostakovich, and the Lt. Kijé Suite by Prokofiev. Adam Flatt conducts. Admission $20 and $34, $10 for students. Call 541-265-2787 for tickets. At Newport High School on April 13 at 7:30 p.m., with pre-concert talk beginning 45 minutes before performance.