I was talking to Lewis about how best to make changes to incoming OSC message from the muio server.
Using Pure Data is probably the most simple and flexible way I can think of.

I am on OS X 10.58 and I tried it with the latest muio server and it works a treat.

Here is a quick video example and the link to the file I used.

http://www.youtube.com/watch?v=LwNtsuiAy8I

http://muio.org/users/owl/software/examples/muio_receive_hack.pd

ps. I have now installed a module that allows you to embed a youtube clip simply by pasting in the link and selecting Full HTML

cheers

Simon