Concerts at Saint Thomas has announced its 2019-20 season, which marks organist Jeremy Filsell’s first year as Music Director and the 100th anniversary of the Saint Thomas Choir School. For the purposes of this article, we will include only vocal performances. “Saint Thomas Choir School at 100” will celebrate the Choir School’s 100th anniversary with Rachmaninov’s “Rhapsody on a Theme of {…}