Piano Solo - Digital Download SKU: A0.842501 Composed by Schubert/Crossland. Arranged by Neil Crossland. Classical. Score. 41 pages. Neil Crossland #4767675. Published by Neil Crossland (A0.842501). Schubert left this piano sonata unfinished without writing a final movement. I have composed a 4th (final) movement keeping in the style of Schubert. By completing this Schubert sonata it now enables a performance of this wonderful composition.