Longmont Symphony Orchestra

The Longmont Symphony believes in the power of music to inspire, build connections and strengthen community. We rely on public support to provide inclusive, high engagement programming - including performances and educational experiences - for all Longmonters and beyond. Thank you for your support!

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General Information

Official Name
Longmont Symphony Society, Inc.​​​​​​​
DBA/Trade Name(s)
Longmont Symphony Orchestra, Longmont Symphony Guild
Former Name(s)
Date Established
Offers Additional Colorado State Tax Credit
Tax ID
Headquarters Address
PO Box 74
Longmont, CO 80501
Colorado Location
Mailing Address
PO Box 74
Longmont, CO 80502
Other Address
Main Phone Number
Fax Number
Other Phone Number
Social Media Links

Mission Statement

Our mission is to enrich, inspire and serve our extended community as a symphony orchestra recognized for its artistic excellence. We envision a world where music is a catalyst that deepens awareness of our shared humanity through artistic collaboration that enriches Longmont and makes it the best place in Colorado to live.

Organization History

The Longmont Symphony Orchestra (LSO) was founded in 1966 by adult education director Phil Mattoon, and conductors Leo Meyer and Walter Birkedahl. The first concert was held in April 1966. In 1970, Leo Meyer became the conductor and served in that position for twelve seasons. After his retirement in 1983, Dr. Robert Olson, was selected as Music Director of the LSO. After 34 years, Dr. Olson announced his retirement, and was named LSO Conductor Emeritus. Elliot Moore was selected as the LSO's music director commencing July 1, 2017.

During its first full season (1966-1967), the symphony presented four concerts with a budget of $1,645.

The LSO now presents 17 performances per year (six concerts at Vance Brand Civic Auditorium; a free July 4th concert at Thompson Park; a performance of Handel's Messiah; four chamber orchestra concerts at Longmont Museum's Stewart Auditorium; two full performances of The Nutcracker with the Boulder Ballet, plus a shortened Gentle Nutcracker for individuals with special needs and their families; and a pair of concerts for all St. Vrain Valley School District 5th graders), and has an active education and outreach program, with an annual budget of approximately $400,000.


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