Possible Clues:

• Person used as a dupe
• Relish getting out the fifth answer with tool
• Tool, one used to catch mice?
• Spring in California, with temperature warm at first, and a light breeze
• A dupe
• Someone used by another
• One used to serve another's purposes
• Person used to be seen in musical, with a piano backing
• Pawn that queen needs to move?
• Tool providing musical touch