Etudes, Frederic Chopin. Piano solo

"Etude a minor op. 10,2 Etude A flat major op. 10,10 Etude C major op. 10,1 Etude C major op. 10,7 Etude C minor op. 10,12 [Revolution] Etude c sharp minor op. 10,4 Etude E major op. 10,3 Etude E flat major op. 10,11 Etude e flat minor op. 10,6 Etude F major op. 10,8 Etude f minor op. 10,9 Etude G flat major op. 10,5 Etude a minor op. 25,11 Etude a minor op. 25,4 Etude A flat major op. 25,1 Etude c minor op. 25,12 Etude c sharp minor op. 25,7 Etude D flat major op. 25,8 Etude e minor op. 25,5 Etude F major op. 25,3 Etude f minor op. 25,2 Etude G flat major op. 25,9 Etude g sharp minor op. 25,6 Etude b minor op. 25,10 Etude A flat major KK IIb, 3,2 Etude D flat major KK IIb, 3,3 Etude f minor KK IIb, 3,1"