| Title | Song 23 (t), or I'll Never Leave Thee (at) |
| Short Title | Calliope, 1788 |
| Page | 42-43 |
| Genre | SC |
| Country | E |
| Instruments | VO |
| Incipit | //1345//321//245653//21 |
| Alternate Title | I'll Never Leave Thee (at). Song 23 (t), or |
| First Line | One day I heard Mary say (fl) |
| Verses | 4 |
| Stress Notes | 1322 |
| Intervals | 3,2,2,-3,-2,-2,2,3,2,2,-2,-3,-2,-2, |
| Key Signature | FU#,C# |
| Time Signature | 3/4 |
| Do | D |
| Date | 1788 |
| Number | A64.23 |