| Title | Song, A (t) |
| Short Title | SS, Folger-C42.4 |
| Page | 392 |
| Genre | SS |
| Country | E |
| Instruments | VO,KB+FL |
| Incipit | //34321//53//1+7654//32//34321 |
| First Line | How happy are we (fl) |
| Theatre Works | Mask of Martillo, The |
| Stress Notes | 35133 |
| Intervals | 2,-2,-2,-2,5,-3,6,-2,-2,-2,-2,-2,-2,2,2,-2,-2,-2, |
| Key Signature | FU#,C# |
| Time Signature | 3/8 |
| Do | D |
| Number | G7.379 |