Possible Clues:

• Keyboard instrument
• Keyboard in a Bach title
• Somehow alive inside box of computer keyboard
• Bach's was well tuned
• Some Shakespearean mischief
• Composer's first little room that's right for a keyboard
• It can be played about the office? That's right!
• Carriage return initially cramping the life of the French keyboard
• Adversary caught heading the wrong way, 'e's locked up with set of keys
• Keyboard Claire's arranged to see about five