hsc3-0.12: Help/UGen/Demand/dwrand.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "Dwrand"
> Sound.SC3.UGen.DB.ugenSummary "Dwrand"
> import Sound.SC3.ID
> let {n = dwrand 'a' dinf (mce [1,3,2,7,8]) (mce [0.4,0.4,0.05,0.05,0.1])
> ;x = mouseX KR 1 400 Exponential 0.1
> ;t = impulse KR x 0
> ;f = demand t 0 n * 30 + 340}
> in audition (out 0 (sinOsc AR f 0 * 0.1))