Karl Klassen is one of the finest instrument technicians I know. His work on my instruments is always thorough, and his attention to cosmetic detail is impressive. I always recommend Karl's work to anyone.

Michael Grose, Associate Professor of Tuba and Euphonium,
University of Oregon School of Music and Dance

Karl has continuously been speedy and knowledgeable. His shop is well equipped. I trust his craftmanship on modifications, adjustments, cleaning and overhauls. His prices are fair and his demeaner pleasing. Thanks for taking care of my new $8000 tuba which needed repair from shipping. His work for the University and for my colleagues has been top quality.

Cody Forcier, Director of Bands at 4 Elementary and 1 Middle school(s) in Reno, NV. Former GTF at the University of Oregon School of Music and Dance.