Scrabin piano sonata No. 4 in F-sharp major op. 30 Piano sonata no. 24 in F-sharp major, op. 78 10-11.Piano sonata No. 24 in F sharp major, op. 78 Piano sonata no. 24 in F-sharp major Piano sonata no. 4 in E flat major, op. 7 Piano sonata no. 4 in Eb major op. 7 Piano sonata no. 31 in A-flat major, op. 110 Piano sonata No. 12 in A-flat major op. 26 Piano sonata No. 31 in A-flat major op. 110 Piano sonata No. 4 in E flat major Op. 7