Related Clues:

• Expert with keys
• Kin of 65-Across
• Nick Cave or Alicia Keys
• A key employee?
• Key personnel?
• Concert star
• Keyboard operator
• One who both plays and sits on the bench
• Nero, notably
• Upright player
• Concerto performer, often
• Keyboard pro
• Rachmaninoff, e.g.
• Glenn Gould, e.g.
• Operator of a machine that prints one character at a time