In history of the Arpeggione
F.Schubert, Arpeggione Sonata for Piano and the instrument, Schubert (b minor D821) composer.
English: Franz Schubert, Sonata in A Minor for Arpeggione and Piano, D.821
Germany: Franz Schubert, Sonate in a-moll fur Arpeggione und klavier, D821, November 1824

(Source: Schubert Arpeggione Sonata, score cover (showing another unique instrument)
Cassado Pearl Gas Arranger: orchestra accompaniment version (Wikipedia)