MOTHER MARY, PRAY FOR US by OCP’s award-winning artist Sarah Hart is set for release July 29 New original Marian hymn is a prayer for the entire world NASHVILLE, TN – July 11, 2022–  OCP announces the release of its newest artist single  MOTHER MARY, PRAY FOR US by award-winning artist and Grammy nominee Sarah Hart. The single, an original hymn, will be available to the public on July 29 and can be streamed here.   MOTHER MARY, PRAY FOR…