 103), 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.He composed it in 1828, the last year of his life, and dedicated it to his pupil Caroline Esterházy.Musicologist Christopher Gibbs has described the work as "among not only his greatest but his most original" compositions for piano duet.