The Sousa International Honors Band and Choir will perform Wednesday at 7:30 p.m. in the auditorium at Medfield High School. The ensemble features student musicians and singers from 19 states, and performs internationally each year during July. This week’s concert is the group’s only US performance before its European tour, and the roughly 90-minute program will include original works, marches, instrumental pieces, and patriotic tunes. Tickets are $10. Full story for BostonGlobe.com subscribers.