Wenatchee

The Confluence Vocal Octet with the Wenatchee Big Band 7 p.m. Friday; Wenatchee Valley College Music and Art Center, 1510 Ninth St.; $15 suggested donation 664-0412

Two Wenatchee Valley powerhouses unite for their “Evening of Pretty Cool Music” program, with the eight-voice ensemble joining forces with the instrumentalists of the big band. The two groups swing separately, then harmonize on a selection of pop favorites, including “Moonglow,” “Black Nile,” “Java Jive” and more.

Leavenworth

“Exploring the Richness of the Jewish Cultural Heritage,” a Canyon Wren Concert Series production 7 p.m. Saturday; Canyon Wren Recital Hall, 7409 Icicle Road; $20 adults, $16 seniors, $10 students; icicle.org 548-6347, Ext. 407

The Icicle Creek Piano Trio is joined by guest artist Sean Osborn on clarinet for its celebration of Jewish musical tradition. Hear a performance of Ernest Bloch’s “Simchas Torah” from “Baal Shem,” Max Bruch’s “Kol Nidrei,” Dmitri Shostakovich’s “Piano Trio No. 2 in E Minor,” Alexander von Zemlinsky’s “Trio for Clarinet, Cello and Piano in D Minor,” and Paul Schoenfield’s “Freylakh” from the Trio for Clarinet, Violin and Piano. Rachal Karnofski gives a pre-concert talk.

Twisp

“Rounds, Catches and Glees” 7 p.m. Saturday; Merc Playhouse, 101 Glover St.; free, donations accepted; methownet.com/cascadia 997-0222, 997-4601

Methow Valley musician Gudrun Brunot provides the latest installment of Cascadia’s “Formally Yours” lecture series. With a group of wandering minstrels, she performs various styles of round singing and at times enlists audience participation.