TY  - MUSIC
AU  - Cho, Gene J.
TI  - Melodic, dyadic, and harmonic singing: graded exercises 
SN  - 0840351178
PY  - 1989///
CY  - Dubuque, Iowa
PB  - Kendall/Hunt Pub. Co.
KW  - Sight-singing
KW  - Ear training
KW  - Singing
KW  -  Studies and exercises
ER  -