| Title | Air 18 (t) |
| Short Title | Polly, 1729 |
| Page | T21M7 |
| Genre | BA |
| Country | E |
| Instruments | VO,B |
| Incipit | //765/1+//12/31 |
| Indicated Tune | Jig-It-O-Foot (it) |
| First Line | Better to doubt (fl) |
| Stress Notes | 7113 |
| Intervals | -2,-2,4,-8,2,2,-3, |
| Key Signature | Bb |
| Time Signature | 6/4 |
| Do | F |
| Date | 1729 |
| Number | R3.18 |