Piano Sonata no. 1 in F sharp minor, op. 11, "Grand Sonata"

The Piano Sonata No. 1 in F♯ minor, Op. 11, was composed by Robert Schumann from 1833 to 1835. He published it anonymously as "Pianoforte Sonata, dedicated to Clara by Florestan and Eusebius" (his alter egos).