Die natürliche Gesangslinie by Gertrude Boerdner, vormals Wassull Roewa.
Publisher: R. Maul
Published: 1975
Place of publication: Braunschweig
Language: ger
Number of pages: 12
Subjects: Singing -- Methods.
Genres: Methods.
Notes: Issued with the author's The natural song method in English. Braunschweig, c1975.