Don’t know but he is today a conservative, and wrote a youtube song called “Hey Mr. Obama” about a year into the Obama administration.
IIRC, the last cut on the eponymous "Vanilla Fudge" album was a jam session where each of the members recited something, and Mark quoted Deuteronomy 34, the passage about the death and burial of Moses. I've always assumed that there was something religious behind at least some of what they did.