 Nathan is an avid producer, having produced not only the Passion CDs, but also Watermark's "The Purest Place", and Rita Springer's "I Have To Believe", among others.Watermark has toured extensively during their career, doing both solo shows and also with such notable groups as Point of Grace and Michael W. Smith.Michael W. Smith has said of Watermark, "Christy Nockels creates space for worship like few artists I've been around.