Possible Clues:

• 'The Telephone' composer
• Chaps using it to come back to composer
• Amahl’s creator
• 'The Consul' composer
• "Amahl and the Night Visitors" composer
• Two-Pulitzer composer
• Composer from Lombardy
• Italian-American composer who won a Pulitzer Prize for 'The Saint of Bleecker Street'
• 'Amahl and the Night Visitors' writer
• People object to turn as composer