I don't know much about musescore, so I'm reassigning this bug to musescore and hopefully someone there can help you. You might be able to find it in MuseScore's settings.
** Package changed: alsa-driver (Ubuntu) => musescore (Ubuntu) -- Can't play midi file through casio usb midi keyboard https://bugs.launchpad.net/bugs/627758 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs