| Title | Muirgheis |
| Alternative title | The First Irish Opera |
| Creators | Thomas O'Brien Butler (composer) and Nora Chesson (librettist) |
| Opus | — |
| Instrumentation | voices, mixed chorus and orchestra |
| Number of movements | — |
| Keys | — |
| Composed | — |
| First published | 1910 |
| Dedication | To Clann na h-Eireann |
| Tempo markings | — |
| Metronome markings | — |
| Time signatures | — |
| Average duration (sec) | — |
| Number of measures | — |
| Composition types | Operas |
| Language | Irish |
| Period | Romantic |
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| Details | Section | Type | Publisher | Date | File (click to view) |
|---|---|---|---|---|---|
| view | Complete | vocal score | Breitkopf und Härtel | 1910 | Title pages and Overture Act I Act II Act III |
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