hsc3-0.11: Help/UGen/Information/controlRate.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "ControlRate" > Sound.SC3.UGen.DB.ugenSummary "ControlRate" > import Sound.SC3 play a sine tone at control rate > audition (out 0 (sinOsc AR controlRate 0 * 0.1))