Prelude Op.13,No.1 in C major Etude op.10 no.1 in C major Prelude no. 1 in C major Prelude op.28 no.15 in D flat major Prelude No. 11 in F major Prelude no. 2 in C major Prelude Op.35,No.2 in B flat major Trio op.28 No.1 in C major Trio op.32 No.1 in F major Prelude and Fugue in C major