Join us in Denver for shop tours, private lessons, and hands-on learning


Reservation Week Events
20% down payment reserves any trumpet in our showroom, valid only during these special events

October 18th - 20th - private appointments
October 21st (Saturday) 11am to 3pm - everyone welcome (shop tour at 11:45am)
1pm FREE Masterclass "Exploiting the High Point - Mouthpiece strategies"
(please register below)


NOVEMBER - To Be Announced
5pm FREE Masterclass "Understanding Mouthpiece Rims"


DECEMBER - To Be Announced
12pm FREE Masterclass "Physics-based Trumpet Design"


JANUARY 2024 - To Be Announced
12pm FREE Masterclass "Aperture Controlled Embouchure"


FEBRUARY 2024 - To Be Announced
1pm FREE Masterclass "Mastering the Upper Register"


You are welcome to schedule a FREE tour and private play test session (as our schedule permits throughout the year)
in our showroom any Monday through Friday by calling 303.657.2747
or email harrelsontrumpets@gmail.com

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shop tours

Here's your chance to see how Harrelson Trumpets are made.  Please supervise children at all times.
Bring friends, family and questions!
Limited to 12 participants per tour

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clinics - Trumpet momentum

Trumpet Momentum is a proven approach to brass playing designed to produce results through understanding physics. Developed over the the past 20+ years, Jason Harrelson draws on his experience coaching thousands of brass players while diving deep into the physics of brass acoustics. This introductory clinic introduces you to the fundamental concepts of brass playing including; Air Speed, Air Volume, Air Pressure, Lip Length, Oral Cavity, and more. Future Clinics will be presented in three levels including interactive one and two-day intensive classes. Discover the basics now and build what you learn through the online Trumpet Momentum program and in future classes. Limited to 10 participants

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clinics - cnc machining

CNC Lathe - Jason Harrelson walks you through the basics of setting up, programming and running a CNC lathe with sub-spindle and live tooling. You will learn the basics of G-code while standing in front of a running lathe giving you a near hands-on experience. Every participant will receive a sample machined part made throughout the presentation. Includes lunch and shop tour.
Limited to 6 participants

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CNC Vertical Machining Center - Jason Harrelson walks you through the basics of setting up, programming and running a CNC Vertical Machining Center with part and tool probing capability. You will learn the basics of G-code while standing in front of a running VMC giving you a near hands-on experience. Every participant will receive a sample machined part made throughout the presentation. Includes lunch and shop tour.
Limited to 6 participants

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private tours

We encourage you to check our Clinic & Tour Schedule above for availability. While we are here 6 days a week, we are open to the public only during advertised open houses. This helps us to be as productive as possible and better serve our customers.

In the event you cannot attend one of our scheduled events, we will schedule a private tour when possible. Please call us at 303.657.2747 or email us at harrelsontrumpets@gmail.com 

Harrelson Trumpets Denver
5650 Lowell Blvd
Denver Colorado 80221
303.657.2747

We are located on the east side of Lowell Blvd between Regis University and I-76 across the street from Lowell Ponds State Park.

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