Joe Purdy - Mary lyrics

I saw Mary, she was walkin' on the water Smiling at me, humming her river song And I tried waving But she was walking away Said that she'd been waiting on me All day long I tried to call her And said, "Please come back Because I didn't mean to make you sad." She said "Well don't you worry 'cause I'll see you again But I hear my mother callin' And I have to go