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The award-winning Oregon Sinfonietta, conducted by Dr. Donald L. Appert, is a full symphony orchestra of about sixty musicians that draws together community musicians from the greater Portland, Oregon and Vancouver, Washington area. The orchestra performs four free concerts per season at the Sunnyside Seventh-day Adventist Church in SE Portland. The repertoire for our 50th Anniversary Season includes the wonderful symphonies of Beach ("Gaelic"), Schumann, Dvořαk, and Magnard, and the timeless music of Tchaikovsky, Mozart, and other fine composers. Dr. Appert's Cello Concerto features world-class cellist Diane Chaplin as soloist, and the CMSO Concerto Competition's outstanding young artist winners join the orchestra in performing full concertos. (Please see the Concerts page for the complete repertoire list and information about our concert dates.)

Performing the great works of the classical music repertoire, the Oregon Sinfonietta rehearses on Thursday nights, 7:00 – 9:30, at the German American Society of Portland, 5626 NE Alameda Street, Portland, Oregon, 97213, (503) 775-1585. (Please see the links to the maps below.) For more information, please call (503) 285-7621, or e-mail Dr. Appert at cc1maestro@aol.com.

Rehearsal Schedule for November 6, 2022 concert – click here
Rehearsal Schedule for January 22, 2023 concert – click here
Rehearsal Schedule for March 19, 2023 concert – click here
Amended Rehearsal Schedule for May 21, 2023 concert – click here
Link to map to German American Society of Portland – click here
Link to map to Sunnyside Seventh-day Adventist Church – click here
Leave of Absence Policy – click here
Dr. Donald L. Appert's Website – click here

CMSO Still Photo Albums - click here

Please click here for two still photos from the November 7, 2021 concert.

Please click here for a still photo slide show from the Oregon Sinfonietta's November 3, 2019 concert, with the accompanying music of Appert – Violin Concerto (world premiθre), Darrell Hunt, soloist, Concertmaster of the Oregon Sinfonietta. (Please see the Videos/Recordings page to hear the official, complete audio recording of the November concert.)

Please click here for a photo slide show from the Oregon Sinfonietta's March 17 and May 19, 2019 concerts, with the accompanying music of Beethoven – Piano Concerto No. 5 in E-flat Major, Op. 73, "Emperor," Mov't I, from the May 19th concert, Avery Hsieh, soloist, CMSO Concerto Competition winner. (Please see the Videos/Recordings page to hear the official, complete audio recordings of the March and May concerts.)

Please click here for a still photo of Dr. Appert and Laura Beckel Thoreson, mezzo-soprano soloist, at the November 4, 2018 concert

Please click here for a still photo slide show from the Oregon Sinfonietta's July 19, 2019 concert at Bethany Vineyard & Winery in Ridgefield, Washington.