| Title | Prelude In the Key of B Flat (t) |
| Short Title | Dubois Clar, 1818 |
| Page | 32 |
| Genre | AI |
| Country | A |
| Instruments | CL |
| Incipit | //1+76/5555//5645471+71+//2+3+2+1+71+76/5671+2+753 |
| Stress Notes | 15525 |
| Intervals | -2,-2,-2,2,-3,2,-2,4,2,-2,2,2,2,-2,-2,-2,2,-2,-2,-2,2,2,2,2,-3,-3,-3, |
| Key Signature | Bb,EUb |
| Time Signature | 2/4 |
| Do | Bb |
| Date | [1818?] |
| Number | D20.38 |