| Title | O Dear What Can the Matter Be (t) |
| Short Title | Irving MS, 1796 |
| Page | 21 |
| Genre | AM |
| Country | A |
| Instruments | 2 MI |
| Incipit | //5/5//531+/531//4/4// |
| Stress Notes | 555544 |
| Intervals | -3,6,-4,-3,-3,4, |
| Key Signature | F# |
| Time Signature | 6/8 |
| Do | G |
| Date | 1796; 1827 |
| Number | K105.22 |