| Title | String Quartet in B-flat major | 
| Alternative title | String Quartet No.44 ; "Prussian Quartet No.1" | 
| Creators | Joseph Haydn (composer) | 
| Opus | Hob.III:44n425 III:44 | 
| Instrumentation | 2 violins, viola and cello | 
| Number of movements | 4 | 
| Keys | B flat major | 
| Composed | 1787 | 
| First published | 1787 | 
| Dedication | Friedrich Wilhelm II, King of Prussia | 
| Tempo markings | — | 
| Metronome markings | — | 
| Time signatures | — | 
| Average duration (sec) | 1380 | 
| Number of measures | — | 
| Composition types | Quartets | 
| Period | Classical | 
| View on IMSLP |  | 
| Code |  | 
| Title click for details | Metronome | Key | Measures | 
|---|---|---|---|
| Allegro | — | B flat major | 164 | 
| Adagio non lento | — | E flat major | 61 | 
| Minuet - Trio | — | B flat major | 65 | 
| Finale. Vivace | — | B flat major | 245 | 
| Details | Section | Arranged for | Arranger | 
|---|---|---|---|
| view | Complete | flute, oboe, clarinet, bassoon and horn | Patrick Clements | 
| view | Complete | piano | Conrad Berens | 
| view | Adagio non lento (No.2) | cello and piano | Philipp Lamoury | 
| view | Adagio non lento (No.2) | piano | Tomás Bretón | 
| Details | Section | Type | Publisher | Date | File | 
|---|---|---|---|---|---|
| view | Complete | — | — | — | Complete Score · view | 
| view | Complete | — | Eulenburg | — | Complete Score · view | 
| view | Complete | parts | Artaria | 1787 | Violin 1 · view Violin 2 · view Viola · view Cello · view Color cover · view | 
| view | Complete | parts | Wm. Forster | 1787 | Violin 1 · view Violin 2 · view Viola · view Cello · view Color cover · view | 
| view | Complete | parts | Wm. Forster | 1787 | Violin 1 · view Violin 2 · view Viola · view Cello · view | 
| view | Complete | parts | — | — | Violin 1 · view Violin 2 · view Viola · view Cello · view Color cover · view | 
| view | Complete | parts | — | — | Violin 1 · view Violin 2 · view Viola · view Cello · view Color cover · view | 
| view | Complete | parts | — | — | Violin 1 · view Violin 2 · view Viola · view Cello · view Color cover · view | 
| view | Complete | parts | — | — | Violin 1 · view Violin 2 · view Viola · view Cello · view | 
| view | Complete | Arrangement for flute, oboe, clarinet, bassoon and horn | Patrick Clements | 2009 | Complete Score and Parts · view | 
| view | Complete | Arrangement for piano | — | — | Complete Score · view Color cover · view | 
| view | Adagio non lento (No.2) | Arrangement for cello and piano | E. Minier | — | Complete Score and Cello Part · view | 
| view | Adagio non lento (No.2) | Arrangement for piano | Zozaya | — | Complete Score · view | 
| Details | Performers | Files | 
|---|---|---|
| view | Musicians from Marlboro (string quartet) | Complete Performance · file | 
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