schirmer?od wants to hear you for his many admirers, he was the eloquent pastor making a joyful noise unto the lord with his christian quartet. a.b. to his friends, a small-town methodist preacher in eastern pennsylvania. >> he was our friend, our confidante, just an all-around good guy. >> reporter: darryl cox sang alongside a.b. for 20 years. he'd seen the fresh-faced young pastor grow into an accomplished and devoted preacher. >> all of the things that he helped my family with over the years, he was always there. >> reporter: he'd watched his friend the pastor raise his music-loving family. a.b. and his wife jewel even performed together. >> they sang together many, many times. they were quite the duo as far as duets were concerned in the church. just seemed like the all-american couple. >> reporter: the couple's daughters julie and amy. >> my mom and dad were people who loved each other, took care of each other. we're just a very close family. >> reporter: but a deep sadness fell over the s