A collection of studies in all keys.
| Arrangement | Saxophone |
| Genres | Classical, Post-1900 |
| Format | Study |
| Level | 4 |
| NumberOfPages | 32 |
| Media | Sheet Music |
| Series | Etudes Marcel Mule |
| Publisher | Alphonse Leduc, United Music Publishers |
| Contributors | Mule, Marcel (Composer) |
| Language | English, French |
| ISBN | 9790046205668 |
| ISMN | M046205668 |