A pair of musical performances are on the schedule at Modesto Junior College this month. The MJC Community Orchestra, directed by Professor Anne Martin, presents a spring concert entitled “The Great B’s” on Tuesday, April 17 at 7 p.m. in the Auditorium of the Performing and Media Arts Center on East Campus, 435 College Ave., Modesto. Tickets are $5 general admission and $1 for students and senior citizens and will be available at the door beginning 90 minutes prior to the concert.