Possible Clues:

• Country united with the French more than once to play this?
• 'You see the handsome sophomore from Yale sitting beside her on the porch playing the -- ' (Wodehouse, Damsel in Distress)
• Luau accompaniment
• British law has no right over the French -- it's got strings attached
• Instrument from Hawaii
• Small 4-stringed guitar
• Instrument
• Maui instrument
• With Britain you get double the French with strings attached
• How you get Luke with the French with strings attached