Have you thought about making a papercraft Keyboard Cat, especially one that can actually play. The artist from Tubby Paws came up with this cute, clever idea of reinventing the keyboard cat with paper. The cool part is that it actually plays if you crank the handle. I will have to try it.
You can print out the below paper model (click the image to get full size), cut it out and follow the instruction video to assemble these pieces together.
Instruction Video:
The original Keyboard Cat: