e/Grand Duo (Schubert)

Information
has gloss	eng: The Sonata in C major by Franz Schubert, D 812 (Op. posth. 140), for piano four-hands (two players at one piano), is one of Schubert’s most important works for more than one pianist and one of his most important piano works altogether.
lexicalization	eng: Grand Duo
lexicalization	eng: Sonata in C major
instance of	c/Compositions by Franz Schubert