> Sound.SC3.UGen.Help.viewSC3Help "NumRunningSynths"
    > Sound.SC3.UGen.DB.ugenSummary "NumRunningSynths"

> import Sound.SC3 {- hsc3 -}

each concurrent audition increases oscillator frequency

> g_01 = sinOsc AR (numRunningSynths * 200 + 400) 0 * 0.1