Btw, The music is Cello Suite No. 1 In G Major, BWV 1007: Prélude by Bach.
The same commercials are on WTOP (103.5 FM) in the Washington DC metro media market. My impression from their programming is that the WTOP primary market is southern Maryland and DC. I listen to it primarily for the traffic and weather reports which are given frequently each hour.
The voice talent sounds like Morgan Freeman, who is an atheist if I recall correctly.