Chamber Concerto features dueling violins, slapstick tuttis, broken-hearted entreaties, and timeless vistas. 15' for sinfonietta: picc, fl, cl, bs cl, hrn, tpt, tbne, tuba, 2 perc, pno, 2 vln, vla, vc, db. Premiered at the Tanglewood Music Festival, Kent Nagano,...