| Title | What Happiness (t) |
| Short Title | Duport MS-3, 1825 |
| Page | 07-8 |
| Genre | AM |
| Country | A |
| Instruments | VO, KB |
| Incipit | //135//543//321//17-//242//31// |
| First Line | What happiness can equal mine (fl) |
| Verses | 2 |
| Stress Notes | 153123 |
| Intervals | 3,3,-2,-2,-2,-2,-2,3,3,-3,2,-3, |
| Key Signature | Bb, Eb |
| Time Signature | 3/4 |
| Do | G |
| Date | 1825 |
| Number | K128.11 |