| Title | Ninth Air (t) |
| Short Title | Instrum Asst-2, 1807 |
| Page | 89-91 |
| Genre | AI |
| Country | A |
| Instruments | 2OB/2CL,2VN,2HN,BF |
| Incipit | //15-/31//531+5//643/2432 |
| Stress Notes | 13562 |
| Intervals | -4,6,-3,5,-3,6,-4,2,-3,-2,-2,3,-2,-2, |
| Key Signature | FU#,C#,G# |
| Time Signature | C/ |
| Do | A |
| Date | 1807 |
| Number | A131.72 |