## 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
```