Children's Orchestra Society

Memorial Day Weekend
2025-05-24 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Classes Resume
2025-05-31, 2025-12-06 12:00 - 19:30 (America/New_York) | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Regular Saturday Classes
2025-06-07 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Saturday Classes
2025-06-14, 2025-09-27 12:00 - 19:30, 2025-10-04 12:00 - 19:30, 2025-10-11 12:00 - 19:30, 2025-10-18 12:00 - 19:30, 2025-10-25 12:00 - 19:30, 2025-11-01 12:00 - 19:30, 2025-11-22 12:00 - 19:30 and 1 more date | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Senior & Majors Recital + Awards Ceremony
2025-06-14 15:00 - 17:00 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

56th Annual Spring Concert
2025-06-21 16:00 - 18:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States
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Children’s Orchestra Annual Spring Concert
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COS 2025 Asia Tour
2025-07-04 - 2025-07-24

Orientation
2025-09-06 01:00 - 15:00 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

1st Day of Saturday Classes
2025-09-13 12:00 - 19:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Syosset Street Fair
2025-09-14 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Saturday Classes - Discovery Apps Due
2025-09-20 12:00 - 19:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Discovery Competition Preliminary Round
2025-10-10 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Discovery Semi-Final Round (if needed)
2025-10-17 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Discovery Final Round
2025-10-24 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

"Let's Make Music" FREE Outdoor Concert
2025-10-26 15:00 - 16:00 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

32nd Discovery Recital
2025-11-01 19:00 - 20:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Saturday Classes (Sinfonia Winter Seating Auditions)
2025-11-08 12:00 - 19:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Saturday Classes (JSE/YSE Winter Seating Auditions)
2025-11-15 12:00 - 19:30 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Thanksgiving Break
2025-11-29 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

Winterfest (for Chamber Music groups only)
2025-12-13 16:00 - 17:00 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States

57th Annual Winter Concert
2025-12-20 16:00 - 19:00 | Community Church of Syosset, 36 Church St., Syosset, 11791, United States
