| Title | Le roi d’Ys | 
| Alternative title | Légende Bretonne | 
| Creators | Édouard Lalo (composer) and Édouard Blau (librettist) | 
| Opus | |
| Instrumentation | voices, mixed chorus and orchestra | 
| Number of movements | — | 
| Keys | — | 
| Composed | 1875 | 
| First published | 1888 | 
| Dedication | — | 
| Tempo markings | — | 
| Metronome markings | — | 
| Time signatures | — | 
| Average duration (sec) | — | 
| Number of measures | — | 
| Composition types | Operas | 
| Language | French | 
| Period | Romantic | 
| View on IMSLP |  | 
| Code |  | 
(No sections)
| Details | Section | Arranged for | Arranger | 
|---|---|---|---|
| view | Complete | piano | — | 
| view | Selections | theater orchestra | E. Haench | 
| Details | Section | Type | Publisher | Date | File | 
|---|---|---|---|---|---|
| view | Overture | — | G. Hartmann | 1888 | Complete Score · view | 
| view | Overture | — | G. Hartmann | 1888 | Complete Score · view | 
| view | Overture | — | Edition Eulenburg | — | Complete Score · view | 
| view | "Vainement, ma bien-aimée" (Act III) | — | Manuscript | — | Complete Score · view | 
| view | Overture | parts | G. Hartmann | — | Flute 1/2 · view Oboe 1/2 · view Clarinet 1/2 (A/B) · view Bassoon 1/2 · view Horn 1/2 (F) · view Horn 3/4 (F) · view Trumpet 1/2 (F) · view Trombone 1/2 · view Trombone 3 · view Ophicleïde (Tuba) · view Timpani · view Tambourine · view Bass Drum · view Violins I · view Violins II · view Violas · view Cellos/Basses · view Cellos/Basses · view | 
| view | Overture | parts | Fumiaki Niikura | 2015 | Trumpet 1, 2, 3, 4 (F) · view Trumpet 1, 2, 3, 4 (B♭) · view | 
| view | "Vainement, ma bien-aimée" (Act III) | parts | Manuscript | — | Flute 1/2 · view Oboe 1/2 · view Clarinet 1/2 (A) · view Bassoon 1/2 · view Horn 1/2, 3/4 (F) · view Violins I · view Violins II · view Violas · view Cellos · view Basses · view | 
| view | Complete | vocal score | G. Hartmann | 1888 | Complete Score · view | 
| view | Complete | vocal score | — | — | Puisq’on ne peut fléchir · view | 
| view | Complete | Arrangement for piano | G. Hartmann | 1890 | Complete Score · view | 
| view | Complete | Arrangement for theater orchestra | Anton J. Benjamin | 1923 | Conductor Score and Parts · view | 
| Details | Section | Ensemble | Performers | Arranged for | Files | |
|---|---|---|---|---|---|---|
| view | Ouverture | Detroit Symphony Orchestra (orchestra) | Paul Paray (conductor) | — | Complete Performance · file | |
| view | Aubade | — | Joseph Szigeti (violin) | For Violin and Piano (Szigeti) | Complete Performance · file | 
©2025 David P. Anderson