The Medford Public Schools’ spring concert series begins with a performance by the grades 6 through 12 orchestra at Marsha Caron Theater at Medford High School. Admission is $5. Upcoming concerts will feature the grades 6 through 12 band at 7 p.m. on Tuesday, May 20; the grades 4 and 5 band at 6 p.m. on Thursday, May 22; and the grades 4 and 5 orchestra at 6 p.m. on Wednesday, May 28, all at the Caron Theater.