Edited by ChopinÂ's student and teaching assistant Carl Mikuli, this edition includes highly authoritative versions of these favorite pieces: BalladesÂ--No. 1 in G Minor, Op. 23; No. 2 in F Major, Op. 38; No. 3 in A-flat Major, Op. 47; No. 4 in F Minor, Op. 52 ImpromptusÂ--No. 1 in A-flat Major, Op. 29; No. 2 in F-sharp Major, Op. 36; No. 3 in G-flat Major, Op. 51; No. 4 in C-sharp Minor, Op. 66 (Fantaisie-Impromptu) SonatasÂ--No. 1 in C Minor, Op. 4; No. 2 in B-flat Minor, Op. 35; No. 3 in B Minor, Op. 58 New compilation of scores originally published by G. Schirmer, New York, 1894Â-1895.