Jameson Singers Presents Illuminare Concert of Christmas Music part of Hancock Concert Series This Weekend LEXINGTON, MA–The Hancock Concert Series of Lexington presents theJameson Singers in a holiday concert on Saturday, December 5, at 4:00PM. Conducted by Jameson Marvin, the Jameson Singers will offer a program,Illuminare,  of festive a cappella music from Renaissance to recent, featuring masterworks by Palestrina, Vaughan Williams, Ockeghem, Bruckner, Sweelinck, and Britten, along with audience singing of favorite carols with the chorus.The Jameson Singers, a sixty-voice chorus comprised of amateur singers, was formed by Jameson Marvin shortly...