| First Publication | 1907 |
|---|
| Work Title | Ange et démon |
|---|---|
| Alternative. Title | Valse lente |
| Composer | Boldi, J. B. |
| I-Catalogue NumberI-Cat. No. | IJB 1 |
| Key | A major |
| First Publication. | 1907 |
| Dedication | à Monsieur le Docteur Lautmann, en respectueux hommage |
| Composer Time PeriodComp. Period | Early 20th century |
| Piece Style | Early 20th century |
| Instrumentation | piano |
