| Composition | Arrangement of Pourquoi sourire (Robert, Gabriel) for voice and piano | 
| Contributors | — | 
| Publisher | Costallat | 
| Languages | — | 
| License | Public Domain | 
| Published | 1912 | 
| Edition | — | 
| Parts? | No | 
| Selections? | No | 
| Vocal score? | No | 
| Description | IMSLP filename | Pages | 
|---|---|---|
| Complete Score (monochrome) | PMLP924062-Robert_-_Pourquoi_sourire_-_ARRvpf-BNF.pdf | — | 
| Color Cover | PMLP924062-Robert_-_Pourquoi_sourire_-_ColorCover-BNF.pdf | — | 
©2025 David P. Anderson