The Worcester Music Festival (WMF) and the Worcester Chorus has announced a series of January concerts. Claire Fontijn, Phyllis Henderson Carey Professor of Music at Wellesley College, will present pre-concert talks before each performance. First up is “Christmas Oratorio” at Unitarian Universalist Church and Mechanics Hall. The showcase will feature three sections from Bach’s “Christmas Oratorio” for chorus, soloists, and {…}