I use
PyDance on my computer, as it has the greatest compatibility with homemade songs, is completly written in Python if I want to fool around, works in Linux (Although a Windows port is avaliable), and it uses the numberpad, which helped me improve my DROD maneuvering skills.
Although I admit that making Beethro do the moonwalk isn't as cool as it sounds. Too bad I can't teach him the robot...
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--That guy with a million different aliases since he doesn't like this name anymore.