hsc3-0.2: Help/UGen/Noise/iRand.help.lhs
iRand lo hi
Generates a single random integer value in uniform distribution
from `lo' to `hi'.
> do { f <- iRand 200 1200
> ; let e = line KR 0.2 0 0.1 RemoveSynth
> in audition (out 0 (fSinOsc AR f 0 * e)) }