Bass/Contrabass Trombone: John Ohnstad

Freelance Bass/Contrabass Trombone Artist John Ohnstad is the bass/contrabass trombonist of the Big Horn Brass, the Portland Columbia Symphony, Siletz Bay Music Festival, Portland Chamber Orchestra, the Art Abrams Swing Machine Big Band, the King Machine and is a founder of Rose City Trombones, an Oregon-Based Trombone Choir.

Ohnstad regularly performs with the Oregon Symphony, the Eugene Symphony, the Vancouver (WA) Symphony, the Newport Symphony, the Oregon Ballet, the Portland Opera, and the Oregon Coast Music Festival.

John’s teachers include Richard Ballou, Rick Tippets, Marc Wolters, Gary Nelson, Tom Ervin, Jeffrey Reynolds, and George Roberts. Additionally, John was selected in 2017 by international audition as a Fellow for the Alessi Seminar, presented by Joseph Alessi, Principal Trombone of the New York Philharmonic. While in attendance, he studied with Joseph Alessi, Peter Ellefson, and Jonathan Whitaker. John premiered Brian Sadler’s Concerto for Contrabass Trombone with the Portland Columbia Symphony in January 2024.

In 2022, John edited a method book for Contrabass Trombone (Contrabass Trombone Exercise Library Project) with Ilan Morgenstern of the Vancouver, BC Symphony. This can be found at

John is a Voigt Brass Artist and performs on the Voigt J-475 Contrabass Trombone with dual tuning (F/C/Db/A and F/D/Bb/Ab) systems.