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+## midi setting
+
+```javascript
+setcps(120/60/2)
+$_: note("c2 |c#2| d2| d#2").fast(4)
+  .midi().midichan(1) //drumrack
+
+$:stack(
+  note("c2").struct("1 0 1 0"),
+  note("c#2").struct("0 1 0 1"),
+  note("d2").struct("1 1 1 1").fast(2),
+).midi().midichan(1) //drumrack
+
+$:stack(
+  note("c3 c#3 e3 [f3 e2]"),
+  ccv(perlin.segment(16).fast(4)).ccn(2), //filter
+  //ccv(sine.segment(16).slow(2)).ccn(3), //gain
+  ccv(0.2).ccn(3), //gain
+).midi().midichan(2) //synth
+```
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