TY  - MUSIC
AU  - Gershwin,George
AU  - Heyward,DuBose
AU  - Heyward,Dorothy
AU  - Gershwin,Ira
TI  - Porgy and Bess: vocal score 
SN  - 0769200567
PY  - 1962///
CY  - Miami, FL
PB  - Warner Bros. Publications
ER  -