Belief in God is rational. Everything has a cause. So unless there is a first cause, then you would have an infinite regress. And then nothing could exist. Therefore there must be a first cause. Therefore God, the first cause, exists. QED.
black hole music file
רוח הקודש
I had been in Uman for Rosh Hashanah so the last one was written while waiting [in the airport near Kiev] for a plane back to the USA.
The first one I do not recall how or when the basic music line was written. Clearly it was around the same time.