"New York Shakespeare Festival." . . . . . "Gilbert & Sullivan Society of Houston." . . . . . . . . . . "Slave of duty" . "Gilbert & Sullivan's The pirates of Penzance or, The slave of duty"@en . . . . . . "The pirates of Penzance, or, The slave of duty" . . "Gilbert and Sullivan's"@en . . . "Gilbert and Sullivan's The pirates of Penzance"@en . "Pirates of Penzance"@en . . . . . . . . . . . . "The pirates of Penzance or the slave of duty" . . . . . . . "The pirates of Penzance or, the slave of duty"@en . . . .