| Title | 20 Études de virtuosité | 
| Alternative title | Vingt Études de virtuosité - Difficulté transcendante - pour contrebasse à cordes 20 Virtuosic Etudes | 
| Creators | Édouard Nanny (composer) | 
| Opus | |
| Instrumentation | double bass | 
| Number of movements | — | 
| Keys | — | 
| Composed | — | 
| First published | 1920 | 
| Dedication | — | 
| Tempo markings | — | 
| Metronome markings | — | 
| Time signatures | — | 
| Average duration (sec) | — | 
| Number of measures | — | 
| Composition types | Studies | 
| Period | Romantic | 
| View on IMSLP |  | 
| Code |  | 
(No sections)
(No arrangements)
| Details | Section | Type | Publisher | Date | File | 
|---|---|---|---|---|---|
| view | Complete | — | Alphonse Leduc | 1920 | Complete Score · view | 
(No recordings)
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