The massed voices of the Bach Elgar Choir and the Masterworks of Oakville Choir performing Sergei Rachmaninoff’s Vespers plus works for multiple choirs and brass by Giovanni Gabrieli.  Featuring mezzo-soprano Emilia Boteva and tenor Stanislav Vittort.  Westdale United Church, 99 North Oval.  Adults $30, seniors $25, students $10.  Tel. 905-527-5995, e-mail info@BachElgar.com, or www.BachElgar.com