Sundays, April 12 & 19, 10:10 a.m., led by Dr. Deanna Witkowski In advance of leading a jazz worship service on Sunday, April 26, Deanna Witkowski will present "Makes the Heart to Sing: Jazz in Worship." On Sunday, April 12, the focus will be the liturgical music of Mary Lou Williams. On Sunday, April 19, Deanna will share from her own catalog of original choral, congregational and instrumental sacred jazz. Come ready to sing, listen and experience the sacred art of jazz. Books and CDs will be available for purchase at both classes. Deanna Witkowski is a pianist, composer, author and scholar and winner of the 2002 Great American Jazz Piano Competition.