Grand Sonata in G major, op. 37

The Grand Piano Sonata in G major, Op. 37, was written by Russian composer Pyotr Ilyich Tchaikovsky in 1878. Though initially received with critical acclaim, the sonata has struggled to maintain a solid position in the modern repertoire. Nevertheless, the sonata has been recorded numerous times and is recognized as one of the composer's masterworks. It is dedicated to Karl Klindworth.