Your weekly planner of Chattanooga-area events (including comedian Chris Kattan, live Nativity, Christmas concerts, movies)

Alan Markfield/New Line Productions / Will Ferrell, left, plays Buddy, an oversize elf, and Ed Asner is Santa Claus in "Elf," one of two films to be screened Dec. 18 in the Bobby Stone Film Series at the Tivoli Theatre.

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To do Sunday

The Compassionate Friends, a grief support group for families who have experienced the death of a child, will hold a worldwide candlelighting Sunday. The remembrance creates a 24-hour wave of light moving from time zone to time zone at 7 p.m. (local time). Families may participate virtually via a Zoom link that will go active at 6:45 p.m. in each time zone; register at compassionatefriends.org. The gathering by the local chapter is 6:15- 7:30 p.m. at First- Centenary United Methodist Church, 419 McCallie Ave. Participants are asked to bring a freestanding photo of each child to be remembered. Facebook.com/Events

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MUSIC

ADVENT, CHORAL CONCERTS - St.