This is actually the genesis of Dream Rodeo, with "Wonders" being the first song recorded in the entire project, back in the summer of the year 2000. It is labeled "Vol.Two" because the Gregorian Chant album was released prior to this one.
Greek orthodox chant is vastly different from it's Roman Catholic cousin, especially in the mysterious modes used, giving it a mystical sound reminiscent of Middle Eastern musical styles, and the fact that three part harmony was embraced. It seems like it comes from a dark place, and then shines a light into the world.