2 Ticket vouchers for a concert in the 2016-17 season (to be announced in late spring 2016). The Pro Arte Chamber Orchestra of Boston is a musician-led American orchestra based in Cambridge, Massachusetts. It is one of only four co-operative orchestras in the US. It has had a long-time association with composer and conductor Gunther Schuller, with Isaiah Jackson as Conductor emeritus and, since 2000, Gisele Ben-Dor as Conductor emerita. Performances in Newton, MA