BAM Next Wave Festival. Boxing has been an unlikely sensation in the new-music world lately, with boxing-ring operas staged in Washington, D.C., and St. Louis already this season. Add to that match card composer-saxophonist Fred Ho's The Sweet Science Suite, a Muhammad Ali–inspired work for Ho's 18-piece Green Monster Big Band; choreography by Ho and Emmanuel Brown no doubt will have its interpreters floating like butterflies and stinging like bees.