hsc3-0.21: Help/Ugen/tExpRand.help.hs
-- tExpRand
let f = tExpRandId 'α' 300.0 3000.0 (dustId 'β' kr 10)
in sinOsc ar f 0 * 0.1
-- tExpRand ; monadic form
uid_st_eval
(do f <- tExpRandM 300.0 3000.0 =<< dustM kr 10
return (sinOsc ar f 0 * 0.1))