The arpeggione is a six-stringed musical instrument fretted and tuned like a guitar, but with a curved bridge so it can be bowed like a cello, and thus similar to the bass viola da gamba. The instrument is sometimes also called a guitar violoncello. It is essentially a bass viol with a guitar-type tuning, E–A–d–g–b–''e' .'' The body shape of the arpeggione is, however, more similar to a medieval fiddle than either the guitar or the bass viol. The arpeggione is especially suited to playing runs in thirds, double stops, and arpeggios.
via Wikipedia infobox
The arpeggione is a six-stringed musical instrument fretted and tuned like a guitar, but with a curved bridge so it can be bowed like a cello, and thus similar to the bass viola da gamba. The instrument is sometimes also called a guitar violoncello. It is essentially a bass viol with a guitar-type tuning, E–A–d–g–b–''e' .'' The body shape of the arpeggione is, however, more similar to a medieval fiddle than either the guitar or the bass viol. The arpeggione is especially suited to playing runs in thirds, double stops, and arpeggios.
It enjoyed a brief period of popularity for perhaps a decade after its invention around 1823 by the Viennese instrument luthiers Johann Georg Stauffer and Peter Teufelsdorfer. The only notable extant piece for the arpeggione is a sonata with piano accompaniment by Franz Schubert, D.821, not published until 1871, when the instrument was long out of vogue. This sonata is now commonly played on the cello or viola, and many other instruments have received transcriptions as well.
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