Related Clues:

• Like music to one's ears?
• Trade organisation about to start striking reaches agreement
• State of agreement
• Parallel action
• Concert hasn't been cancelled in support of international organis­ation
• Pitch coincidence
• Peacekeeping force works in harmony
• Coincidence of pitch
• Son in marriage agreement
• Universities working as one
• A nice article is broadcast with complete agreement
• Concert will go ahead after run initially cancelled?
• Agreement is working under alliance of nations
• Desirable way to sing
• Unharmonized performance