Gradus ad Parnassum 29 selected studies, with scales in thirds in all major and minor keys
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[New York
C. Hansen Educational Music and Books
1973].
|
| Saila: | Hansen's superior teacher's library
|
| Gaiak: |