How to stream alarm via AirPlay? – Alarm Clock Wake ® Pro Free - Wake & Rise! Review

All I want is a simple alarm click that will let me pick some playlist or song to stream to one of my AirPlay devices to wake me up. This hinted that it does that in the description, but I can't find the option to set it up anywhere in the app.
Review by Ben_r_ on Alarm Clock Wake ® Pro Free - Wake & Rise!.