Symphony, D 615 (Schubert)

Schubert's Symphony in D major, D 615, is an unfinished work that survives in an incomplete four-page, 259-bar sketch written for piano solo. It is one of Schubert's six unfinished symphonies. It was begun in May 1818, with initial sketches made for the opening sections of the first movement and finale. He abandoned this symphony after this initial phase of work and never returned to it, probably due to dissatisfaction with it, although Schubert would live for another ten years. Although conductor and composer Brian Newbould has made a performing version of the fragments, a full completion has not yet been attempted.

This sketch is the first of a series of four unfinished symphonies – D 615, D 708A, D 729 (the seventh), and D 759 (the eighth) – that are milestones in Schubert's symphonic development between the sixth and ninth symphonies. These four symphonies are in varying states of completion: D 615 has incomplete sketches of only two movements (the allegro and the finale), D 708A has incomplete sketches of all four movements, D 729 is structurally complete but was not fully orchestrated, and D 759 has the first two movements complete and orchestrated and a third movement in an incomplete piano sketch. Previously, his fourth symphony had had Beethovenian influence (although it is more reminiscent of the earlier Sturm und Drang movement), his fifth Mozartian influence, and his sixth Rossinian influence (Schubert had listened to Rossini's music before writing his sixth symphony and was extremely impressed, then incorporating aspects of Rossini's style into his music).

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