"Helen: Look for the works of Iégor Reznikoff, a chantre of Gregorian Chant that uses overtones in his interpretations and compositions.
I am Christian too, and as a cantor of Gregorian Chant, I can tell you that there´s no contradiction…"
There are places with special energies, often anciently used as cult places or for healing. Accupunctural points of our planet. Some of these places have rooms with a very special sound or resonance tones, inviting to celebrate and go in resonance.