Rich A. Matteson, was an American jazz artist, collegiate music educator, international jazz clinician, big band leader, and jazz composer/arranger. Euphonium was his primary instrument, although Matteson was proficient on several other low brass instruments, particularly bass trumpet, valve trombone, tuba, and Helicon. He also was a proficient jazz pianist. Except for Kiane Zawadi, Matteson was the only significant euphonium soloist in jazz.
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