Cone Shortall Stage

Events at the Stewart Auditorium

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How To Purchase Tickets

You may purchase tickets for all events in-person at the Museum box office, over the phone at (303) 651-8374, or by using the links below. Children age 3 and under are free if they sit on a lap.

View the seating chart for the Auditorium. 

Spring/Summer Auditorium Programming

Friday Afternoon Concerts
Art show 1:30 pm, Concert 2:30 pm; $10 general admission
Friday Afternoon Concert Series is presented in partnership with Arts Longmont. Enjoy an art show before each concert and a reception afterwards.

April 19: Boulder Piano Quartet
The Boulder Piano Quartet features some of the area’s finest professional musicians: violinist Charles Wetherbee and pianist David Korevaar from the CU College of Music with violist Matthew Dane and cellist Thomas Heinrich. Their musical imprimatur centers on interesting and unusual repertoire not often found in other concerts. Buy tickets online
Art Show—Dru Marie Robért

Climate Sustainability Roundtable 
Thursday, April 18, 6:30 pm; free admission—tickets required
Explore the link between our global climate crisis and local sustainability efforts at this dynamic, interactive event. We will learn about the science of climate change and actions being taken at the state and local level. Find out more about what you can do to promote environmental conservation and sustainability. 

Presented in collaboration with Sustainable Resilient Longmont
Moderated by Liz Lane
Producer and News Host, KGNU Community Radio
Speakers: Jim Butler, National Oceanic and Atmospheric Administration; Elise Jones, Boulder County Commissioner and Air Quality Control Commission; Magnolia Landa-Posas, Community Engagement Manager, Just Transitions Collaborative, University of Colorado at Boulder; Joan Peck, Longmont City Council; Emily Gedeon, Conservation Program Director, Colorado Sierra Club; Karen Dike, Sustainable Resilient Longmont

Get your free ticket 

The Boulder Children's Chorale: 10th Anniversary Concert, Our Story
Saturday, April 27, 2 pm; $10 general admission,
$9 students/seniors, $8 Museum members

The Boulder Children’s Chorale celebrates its 10th anniversary with the world premiere of a choral commission by acclaimed composer Kevin Padworksi and highlights from the previous decade. Alumni, current members of the Boulder Concert Chorale, and talented guest artists join the celebration. Buy tickets online

Kids Film Series
Tuesdays, June 18 - July 30, 10 am; $2 general admission, free for children 1 and under
This summer, cool off in the Stewart Auditorium with a bag of popcorn in a place where you don’t have to worry if your kiddo cries in the middle of the movie. Your ticket gets you $1 off the Ruckus Rodeo exhibit too—don’t miss the hands-on, outdoor kids’ corral. Buy tickets ahead; these movies sell out! Learn more and buy tickets


Looking for more events in the Stewart? Check out our Community Events listing of special programs and performances hosted by local nonprofits, arts groups, and community organizations and held at the Longmont Museum. 

March 19, 7:30 pm, $33 adults, $27 students/seniors (10% discount for groups)
Witness a stunning display of instrumental and vocal virtuosity as internationally-acclaimed violinist
Zachary Carrettin leads a dynamic ensemble of Colorado’s finest young concert artists. This electric
orchestra will perform Venetian baroque concertos by Vivaldi and Albinoni, as soprano Szilvia Schranz brings to life the haunting work of 18th century composer, Barbara Strozzi. This is the second performance of the new series BACH-in-LONGMONT, created by the Boulder Bach Festival. Learn more
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