```javascript
await initHydra({feedStrudel:1})
src(s0).kaleid(H("<4 2 2 3>".slow(8)))
.diff(osc(0.2,0.3,0.4))
.modulateScale(osc(0.5,-0.25,-0.5))
.out()

.fft(4).scope({pos:0,smear:0.98,scale:1})

```