I'm currently using twitch and the launchpad together with tractor as I have them both on custom midi mappings. Im not sure if you want to use the twitch in itch while using the launchpad in ableton, if this is the case you could run the launchpad through automap and slave ableton to itch and they should all sync together with no problems. If your talking about using twitch and the launchpad just in ableton than I don't see why there would be a problem. Make sure the launchpad is running through automap or not if you have your own custom mapping. Does twitch work through the translater even when the launchpad is not connected? if not than you should follow the instructions on how to set it up correctly. Once its working on its own than plug the launchpad in and they should work together. Make sure they are all set up properly in the controller setting in ableton. Hope I've helped if not could you reply with more detail on exactly what you want to achieve and the problems you seem to be having.
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