Welcome to the Longmont Symphony Orchestra


The Longmont Symphony Orchestra was founded in 1966 as the Longmont Symphony Society, Inc.  Its mission is to foster and promote the appreciation and understanding of symphonic music through performances and educational programs.  Each year, the orchestra performs over 10 concerts, which are enjoyed by more than 15,000 people. Although the Longmont Symphony Orchesra primarily serves the citizens of the City of Longmont, its sphere of influence includes the entire St. Vrain Valley, including other communities in Boulder, Weld, Larimer, Broomfield and Adams Counties.


Our Commitment to the Community

The Longmont Symphony Orchestra is a non-profit community based organization whose mission is to foster and promote the appreciation and understanding of symphonic music through performances and educational programs. To that end, the LSO is dedicated to providing opportunities for our school aged children, seniors, and the underserved community to experience live orchestral music through our Outreach Programs.



Our Sponsors

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Support the Longmont Symphony Orchestra on Colorado Gives Day!