David Hoose, conductor; Edgard Varese: Hyperprism; Percy Grainger: The Warriors (the Boston premiere); Carl Orff: Carmina Burana. Lynn Eustis, soprano Christopher MacRae, tenor James Demler, baritone Boston Children’s Chorus, Anthony Trecek-King, Artistic Director Tickets on sale 60 days in advance; $25 general admission. Student Rush $10, available at the door, day of performance, 10am-6pm. BU community: One free ticket with BU ID at the door, day of performace, 10am-6pm.