quot;isInstrument&quot;: false,
    &quot;source&quot;: &quot;osc.cmajor&quot;
}
</code></pre>
<p>And activate the <strong>cmaj</strong> program to run the processor. </p>
<p>The following <a href="../../manual/midi/#midi-polyphony-support">polyphonic ready instrument</a> DSP can be converted to a MIDI ready cmajor instrument:</p>
<!-- faust-run -->
<div class="faust-run"><img src="exfaust1/exfaust1.svg" class="mx-auto d-block">
<faust-editor><!--

declare options "[midi:on][nvoices:8]";
import("stdfaust.li