hsc3-0.16: Help/UGen/gVerb.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "GVerb"
> Sound.SC3.UGen.DB.ugenSummary "GVerb"
> import Sound.SC3 {- hsc3 -}
> g_01 =
> let i = impulse AR 1 0
> c = lfCub AR 1200 0
> s = decay i 0.25 * c * 0.1
> in gVerb s 10 3 0.5 0.5 15 1 0.7 0.5 300