YouTube user Seriousstas has put together a mesmerizing compilation of cloned behaviors in the Disney animation catalogue:
It makes perfect sense that they would re-use some basic choreography and series of movements. After all, who doesn’t love a good jazz square?
Hat tip: Dark Roasted Blend, which also has some stills demonstrating the clones,
Broke Hoedown 
Wow. Not surprised, as hand drawing take a long time. Why not reuse some moves that work and as a frame to make it easier to get several feet of film or scenes done quicker.