Answer: porgyandbass

AnswerCrossword Clue
PORGYANDBASS

Musical?

PORGYANDBASS

Fishy Gershwin opera?

PORGYANDBASS

Film about an interspecies fish relationship?

PORGYANDBASS
Punster's folk opera.
PORGYANDBASS
Folk-opera names, fishy style
PORGYANDBASSSource of "Summertime"