Index:

F. Chopin

Etude Op. 25, No. 1 (Nick Carter)
Etude Op. 25, No. 2 (unidentified sequencer)
Etude Op. 25, No. 3 (unidentified sequencer) 
Etude Op. 25, No. 4 (unidentified sequencer)
Etude Op. 25, No. 5 (unidentified sequencer)
Etude Op. 25, No. 6  (unidentified sequencer)
Etude Op. 25, No. 7 (unidentified sequencer)
Etude Op. 25, No. 8 (unidentified sequencer)
Etude Op. 25, No. 9- 'Butterfly' (unidentified sequencer)
Etude Op. 25, No. 10 (unidentified sequencer)
Etude Op. 25, No. 11- 'Winter Wind' (Robert Finley)
Etude Op. 25, No. 12 (unidentified sequencer)

Etude Nouvelle No. 1 (Jeff Segor)
Etude Nouvelle No. 3 (David Siu)