Possible Clues:

• Musician's asset
• Ideal sales talk of appeal to music lovers
• Pristine field for Manchester United?
• Ability to recognise notes accurately
• Note talent where playing conditions are ideal?
• Something desirable for players musical or sporting?
• Ability to identify notes
• Pristine piano to be dying musician's gift?
• Something the eight people at 3-, 9-, 28- and 30-Down have all strived for?
• Ideal place for Strauss, a special musical talent