2011-03-292024-06-222011-03-292024-06-221976-02-191976-02-19Ronald Patterson, violin and Wayne Crouse, viola (performer). "Duo for violin and viola, K. 423." (1976) Shepherd School of Music, Rice University: <a href="https://hdl.handle.net/1911/59794">https://hdl.handle.net/1911/59794</a>.https://hdl.handle.net/1911/59794Allegro -- Adagio -- AllegroCopyrighted material. All rights reserved.Violin and viola musicsound recording-musical