Since the 1970s, Pastor T.L. Barrett has been preaching sermons and singing gospel songs to his Chicago Church of God in Christ congregation. His '70s records have been sampled by a variety of artists, from Kanye West and T.I. to DJ Khaled and Vic Mensa; his work has also been covered by Leon Bridges and featured in the Oscar-nominated, Obamas-produced documentary Crip Camp. In 1971, Barrett released the influential masterwork Like a Ship (Without a Sail) with his 40-member Youth for Christ Choir. Composed of children between the ages 12 and 19, it featured instrumental contri...