Possible Clues:

• - Boru, eleventh century Irish king
• Monty Python's 'Life of --'
• Rock producer Eno
• Havergal —, composer
• London or Luckhurst
• Jones of the original Rolling Stones
• Playwright Friel
• English composer, one advanced in intellect
• Havergal ---, composer; his Life, Pythons
• ___ Boru, Irish king who defeated the Norse