You have a few more performances this month before the Washington National Opera season ends. We have reviewed both productions for you at DCist and I recommend them both. On Monday (May 22, 7 p.m.) and Saturday (May 27, 7 p.m.) are the final two performances of Mozart’s La Clemenza di Tito, an opera that is not all that well known but that has some great music — Mozart at the height of his compositional powers. On Wednesday (May 24, 7:30 p.m.) and Friday (May 26, 7:30 p.m.) you will have your last two chances to hear Juan Diego Flórez and a first-rate cast in Rossini’s L’Italiana in Algeri. If you or a friend think you might like to see what opera is all about, this is the one to see. There are more reduced-price tickets ($25 and $35) available for members of Generation O: students and young professionals, ages 18 to 35, are eligible to join. There are limited seats for Clemenza on May 22 and 27 and L’Italiana on May 26. Use promotion code 4935 when you order.

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>> If you have seen both of those productions and you are looking for something a little more challenging, there is a single performance this Monday (May 22, 7:30 p.m.) of Benjamin Britten’s creepy opera The Turn of the Screw. The libretto was adapted from the truly disturbing novella by Henry James. It concerns Flora and Miles, two children tormented by the terrifying ghosts of an evil valet and his mistress, who haunt the house where the children are staying. The children’s governess is the only other person who can see the ghosts, but everyone dismisses her as a sexually repressed hysteric. The insidious malice that Britten, one of the greatest operatic composers of the 20th century, summoned in his score, for chamber orchestra, is not to be believed. This fully staged production will feature singers Anne Dreyer and Jeffrey Lentz, conducted by Lorin Maazel in the Kennedy Center’s Terrace Theater. The event is a coproduction of the Fortas Chamber Music Series and Maazel’s Chateauville Foundation.