Disk Number: 1. Song number: 1. 12 &8240;tudes, Op. 10 &8240;tude No. 1 in C Major Song Number: 2. &8240;tude No. 2 in A minor Song Number: 3. &8240;tude No. 3 in E Major Song Number: 4. &8240;tude No. 4 in C-Sharp minor Song Number: 5. &8240;tude No. 5 in G-Flat Major " Black Keys" Song Number: 6. &8240;tude No. 6 in E-Flat minor Song Number: 7. &8240;tude No. 7 in C Major Song Number: 8. &8240;tude No. 8 in F Major Song Number: 9. &8240;tude No. 9 in F minor Song Number: 10. &8240;tude No. 10 in A-Flat Major Song Number: 11. &8240;tude No. 11 in E-Flat Major Song Number: 12. &8240;tude No. 12 in C minor " Revolutionary" Song Number: 13. 12 &8240;tudes, Op. 25 &8240;tude No. 1 in A-Flat Major Song Number: 14. &8240;tude No. 2 in F minor Song Number: 15. &8240;tude No. 3 in F Major Song Number: 16. &8240;tude No. 4 in A minor Song Number: 17. &8240;tude No. 5 in E minor Song Number: 18. &8240;tude No. 6 in G-Sharp minor " Thirds" Song Number: 19. &8240;tude No. 7 in C-Sharp minor Song Number: 20. &8240;tude No. 8 in D-Flat Major " Sixths" Song Number: 21. &8240;tude No. 9 in G-Flat Major Song Number: 22. &8240;tude No. 10 in B minor " Octaves" Song Number: 23. &8240;tude No. 11 in A minor Song Number: 24. &8240;tude No. 12 in C minor