Eric Mason after surgery Eric Mason Sr. is many things — pastor, bishop, educator, nonprofit director, mentor, husband, father and grandfather — but one of the activities he enjoys most is singing. Because of his work, Eric, 55, travels a lot — both near his home in Savannah, Georgia, and beyond — preaching to different congregations and, often, leading them in song. He’s even recorded three CDs. So when he noticed he couldn’t hold a…