Err SleepUntilTime (Item Cue, AudioTime Time)
// If you want to wait for a specific number of ticks to go by,
// you can get the current audio time from GetAudioTime() and
// add your delay:
SleepUntilTime (cue, GetAudioTime() + DELAYTICKS);
SignalAtTime
(), CreateCue(), GetCueSignal(), GetAudioTime(), GetAudioRate()