The Piano Sonata in F-sharp minor is an early composition by Russian composer Igor Stravinsky.
Both the sonata and the scherzo were dedicated to fellow pianist and contemporary Nicolas Richter, who played it in private to Rimsky-Korsakov in 1905 and subsequently gave a performance in public as a premiere the same year.
Prior to his death, it was thought all Stravinsky's compositions prior to the Symphony in E-flat had been lost when he left Russia in 1914, with the exception of The Mushrooms Going to War, the manuscript of which remained with him until his death.
However, this work remained obscured until Stravinsky's widow, Vera de Bosset, authorised its publication.
[1] This piano sonata in F-sharp minor consists of four movements, the last two being united by an attacca.