ROCO’s 16th season features illuminating musical collaborations exploring global soundscapes, presenting ten commissions, in three series of concerts showcasing the ensemble’s flexible model. New works include a nature-inspired triptych by Alyssa Morris, a concerto for bandoneon (a Latin-American bellowed instrument) by soloist Richard Scofano, a vocal work by Reena Esmail based on Chickasaw poetry, a…