Related Clues:

• Pro ___
• One-named rock singer
• U
• One-named Irish singer
• Singer-turned-Congressman
• Pro follower
• U2 lead
• Chastity, for one
• Pro ___ (like some lawyers' work)
• U2 frontman
• U2's frontman
• Rock star with many causes
• Sonny who sang 'Laugh at Me'
• Rock star turned activist
• Sonny or Chastity