I don't have a QS1 , but just incase you did not do this;
You will have to change manually the settings of each track if you loaded a standard or gs midifile and after that save the file.
Next time you load this saved file it will have all the wright settings.
The fact that you loaded a QS patch does not mean that automticly all instruments of your QS1 are assigned!
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76