hsc3-0.11: Help/UGen/Noise/nRand.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "NRand"
> Sound.SC3.UGen.DB.ugenSummary "NRand"
> import Sound.SC3.ID
> let {n = nRand 'a' 1200.0 4000.0 (mce [2,5])
> ;e = line KR 0.2 0 0.1 RemoveSynth}
> in audition (out 0 (fSinOsc AR n 0 * e))