Related Clues:

• Chopin or Liszt e.g
• One striking a chord
• Perfectionist maybe disposing of uranium to key operator
• Musician like Lang Lang, Alfred Brendel, Fats Domino or Oscar Peterson
• Musician utilizing many keys
• One sitting on the bench, maybe
• Ivory tickler
• Might one wish to warm fingers up in scaling of Mount Sinai, perhaps?