Wenatchee

“Gaudete!,” a Confluence Vocal Octet concert 7 p.m. Tuesday; First United Methodist Church, 941 Washington St.; $15 suggested donation 664-0412

Wenatchee’s singing ensemble performs its annual Christmas concert, showcasing the seasonal composition “Gaudete!” by Anders Ohrwall. Dan Jackson conducts and instrumentalists Beth Jensen, Cathy Lau, Sarah Kintner and Jessica Wardle accompany. Members of the octet include Deborah Cahill, Barry Heminger, Briar Hoper, Ron Lodge, Ruth Parsons, Douglas Randall, Mary Resk and Kent Salter. They open the concert with a program of traditional Christmas tunes.

East Wenatchee

Poulenc’s “Gloria” and Handel’s “Messiah,” a Columbia Chorale concert 7:30 p.m. Friday; Eastmont Baptist Church, 400 S. Kentucky Ave.; $14 adults, $12 seniors, $10 students 668-5256

The Wenatchee Valley chorus dives into two seasonal vocal classics, both accompanied by orchestra. Get advance tickets at Avalon Music in Wenatchee, Eastmont Pharmacy in East Wenatchee and Doane’s Valley Pharmacy in Cashmere.

Omak

“Gloria,” an Okanogan Valley Orchestra and Chorus concert 7 p.m. Saturday; Omak Performing Arts Center, 20 N. Cedar St.; $12 adults, $10 seniors, $8 students, free kids under 12 322-5854

Orchestra conductor Terry Hunt leads the Okanogan Valley ensemble in a debut of “Gloria,” her original piece of music, for its 2009 holiday concert.