"My MIDI file plays wrong instruments (Banjo instead of Strings)." Fix: Sule 2 uses GM (General MIDI) mapping. Ensure your MIDI file is formatted as Type 1 GM. If it is an old GS/XG file, you may need to remap patches 0-127.
: Use a free sampler like Sforzando to import and play the file. download soundfont sule 2 work