<CsoundSynthesizer>
<CsOptions>
-odac
</CsOptions>
<CsInstruments>

pyinit

instr loadPreset
 index = p4
 pycalli "q.loadPreset", index
endin

</CsInstruments>
<CsScore>
i "loadPreset" 0 3 0
i "loadPreset" + . 1
i "loadPreset" + . 0
</CsScore>
</CsoundSynthesizer>
;example by tarmo johannes and joachim heintz
