I'm 43 now but from about 25-30 years old, I was into to the
  Eastern Orthodox church. I'm agnostic since; but I loved the
  whole foreign-ness of it and the depth of history and such.

  One of the things I really enjoyed was the singing. I entered it
  in more of the Russian side than the Greek side, and I loved the
  acapella singing. The songs were generally the Psalms (Psalter)
  as they're designed to be sung, not read and each nationality
  had its own take on it. I have a CD of the Bulgarians sung by an
  amazing bass singer which rattled my subwoofers and made your
  chest vibrate, he could get so low. Very manly sound vs the
  Gregorian chants of the west, which always seemed a little
  flighty, although they're nice too.