Possible Clues:

• Rule, Britannia! composer
• "A-Hunting We Will Go" songwriter
• Minnesota ex-governor Carlson
• ''Rule, Britannia'' composer Thomas
• Thomas —, composer of Rule, Britannia!
• "Rule, Britannia!" composer Thomas
• Duncan of education
• "Rule, Britannia" writer
• ''Blow, Blow, Thou Winter Wind'' composer
• 'Rosamund' composer