Opera North

We turn to England for this week’s Sunday Opera (2/1 3:00 p.m.) for the only full-length opera by Sir William Walton, his 1954 treatment of a poem by Geoffrey Chaucer about the doomed love of “Troilus and Cressida." This recording from Opera North features a roster of some of the best-loved voices in British opera.

We’re staying in England for this week’s Sunday Opera (8/5 3:00 p.m.) and the Opera North production of Giuseppe Verdi’s “Un Ballo in Maschera.” Without…