O Sole Trio, a trio of vocal performers, will bring their show “Heart and Sole” to Mathews High School next month as part of the Concerts by the Bay series. The show will be held at 3 p.m. on Sunday, May 6, in the school’s Harry M. Ward Auditorium. Erin Shields, Giuseppe Spoleini and David Shenton will perform traditional classical music, as well as pop and musical theater selections. Tickets at the door are $25 for adults. Youth through high school are admitted free. For more information, or to purchase tickets, visit www.concertsbythebay.org or call 804-725-9776 or 804-725-9532. ...