Tobias Matthay's Piano Quartet in One Movement in C major, Op.
20 is a composition for piano, violin, viola and cello that was completed in 1882, but not published until 1906 following revision in 1905, with a dedication to fellow composer John Blackwood McEwen.
The quartet comprises a single multi-tempo movement marked Maestoso - Allegro - Grandioso - Tempo I - Animato Piano Quartet in One Movement, Op.20: Scores at the International Music Score Library Project
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