| Title | L'union | 
| Alternative title | Union: Paraphrase de concert on the national airs: Star-Spangled Banner, Yankee Doodle & Hail Columbia | 
| Creators | Louis Moreau Gottschalk (composer) | 
| Opus | Op.48 | 
| Instrumentation | piano | 
| Number of movements | 4 | 
| Keys | E flat minor | 
| Composed | 1862 | 
| First published | 1863 | 
| Dedication | Mayor General George McClellan | 
| Tempo markings | — | 
| Metronome markings | — | 
| Time signatures | — | 
| Average duration (sec) | 420 | 
| Number of measures | — | 
| Composition types | Paraphrases | 
| Period | Romantic | 
| View on IMSLP |  | 
| Code |  | 
| Title click for details | Metronome | Key | Measures | 
|---|---|---|---|
| Allegro moderato (based on the "Yankee Doodle") | — | E flat minor | — | 
| "The Star-Spangled Banner" — Tempo I | — | F sharp major, E flat minor | — | 
| "Hail Columbia" | — | B flat major | — | 
| "Yankee Doodle" and "Hail Columbia" — Un poco animato — "Yankee Doodle" and "Hail Columbia" | — | B flat major, B flat major, E flat major | — | 
(No arrangements)
| Details | Section | Type | Publisher | Date | File | 
|---|---|---|---|---|---|
| view | Complete | — | William Hall & Son | 1863 | Complete Score (300 dpi) · view | 
| view | Complete | — | William Hall & Son | 1863 | Complete Score (scan) · view Complete Score (filter) · view Complete Score (lower resolution) · view | 
| view | Complete | — | Ditson | 1891 | Complete Score · view | 
(No recordings)
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