| Title | Duetto (t) |
| Short Title | Preston Marches, 1804 |
| Page | 2-3 |
| Genre | IC |
| Country | E |
| Instruments | 2GF/VN |
| Incipit | //51+76/51+76//54345/16//65543/26 |
| Stress Notes | 555162 |
| Intervals | 4,-2,-2,-2,4,-2,-2,-2,-2,-2,2,2,-5,6,-2,-2,-2,-2,5, |
| Key Signature | FU# |
| Time Signature | C |
| Do | G |
| Date | [c.1804] |
| Number | W50.4 |