The MIDI playback doesn't always sound right. 3 Printing problems On my printer some symbols turn into ugly square blobs. U nfortunately no.
T here are number of possibilities.
If so close the other program. Details vary with different sound cards and you should consult the sound card manual or manufacturer. Some play on channels starting at 13 and some play on channels starting at 1, but not all. Channels 1 and 13 are good ones to try. If not , and if you are sure you have done all the tests above, then please report it to us.