“The Great Mystery and Wonder of Christmas” will run 8 p.m. Dec. 13 and 2:30 p.m. Dec. 14 at St. Luke’s church, 515 S. 312th St. The concert will be sung almost entirely a cappella (voices only).

First half of the concert will consist of great 20th century choral masterworks. The second half will be lighter fare consisting of carols and octavos with a Christmas theme such as “Christmas Day” (Choral Fantasy on Old Carols) by Gustov Holtz and “Go, Tell It on the Mountain” arranged by Robert Sterling.

Tickets are $18 for adults, $15 student/senior, children 12 years and under are admitted free.

Tickets are available by calling (253) 250-3326, www.fwchorale.com and at the door.