| Composition | 3 Duets for Piano 4-Hands, Op. 12 (Graeff, Johann Georg) for piano 4 hands | 
| Contributors | — | 
| Publisher | Longman & Broderip | 
| Languages | — | 
| License | Public Domain | 
| Published | — | 
| Edition | — | 
| Parts? | No | 
| Selections? | No | 
| Vocal score? | No | 
| Description | IMSLP filename | Pages | 
|---|---|---|
| Duet No.1 | PMLP1172348-J_G_Graeff_op._12_no._1.pdf | — | 
| Duet No.2 | PMLP1172348-J_G_Graeff_Op._12_no._2.pdf | — | 
| Duet No.3 | PMLP1172348-J_G_Graeff_Op._12,_no._3.pdf | — | 
©2025 David P. Anderson