Related Clues:

• International group is performing in concert
• Workers organised around Socialist leader in harmony
• A Parisian is getting on, achieving complete agreement
• (In) concert
• Trade organisation gets round start of strike agreement
• Choral parts may be sung in it
• Complete accord
• Workers collectively embracing socialist leader to show solid­arity
• Educational body's regularly taking concerted action
• United wrong to pick up on identity of pitch
• 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