Possible Clues:

• Pirate song chant
• Start of a pirate's refrain
• Pirate's chant
• Start of a pirate chant
• Refrain from piracy?
• Talk Like a Pirate Day refrain
• Rum accompaniment?
• "__ and a bottle of rum!"
• 'Treasure Island' chant
• Old sailors' chant (accompanied by a bottle of rum?)