Basic theory of music
Subtitle: programmed instruction in intervals, scales, and modes
By: [by] John W. Verrall.
Publisher: Pacific Books
Published: 1970
Place of publication: Palo Alto, Calif
Language: eng
Number of pages: 63
Subjects: Music theory -- Elementary works. -- Programmed instruction.; Musical intervals and scales -- Programmed instruction.
Genres: Elementary works.