Related Clues:

• Sonny and Cher, once
• Prefix with tone
• Tuneful twosome
• Musical work
• Love song, perhaps
• Double header?
• Verdi's 'Un di felice,' for one
• Schubert's ''Grand ---''
• 'You Don't Bring Me Flowers,' e.g.
• Small band
• Hall & Oates, e.g.
• Two performers
• Small combo
• Group of two
• Two