| Title | Valentine's Duett (t) |
| Short Title | Van Schaack MS, 1820 |
| Page | 37 |
| Genre | AM |
| Country | A |
| Instruments | 2FL |
| Incipit | //15-/3-1-//1234/31//543/432 |
| Stress Notes | 131354 |
| Intervals | -4,-3,-3,8,2,2,2,-2,-3,5,-2,-2,2,-2,-2, |
| Key Signature | FU#,C# |
| Time Signature | C/ |
| Do | D |
| Date | 1820 |
| Number | S25.80 |