The Boston Symphony Orchestra (BSO) has appointed Jean-Sébastien Vallée as BSO Director of Choruses and Conductor of the Tanglewood Festival Chorus (TFC) with the start of the 2026-27 season. Vallée becomes the all-volunteer group’s third director since its founding in 1970 and succeeds James Burton who led the TFC from 2017 to 2025. Vallée served as one of several guest {…}