"Happy in the Service of the Lord" provides an in-depth look at the development of the African-American gospel quartet. Focusing argely on Memphis - long famous for its blues, jazz, and soul music - Kip Lornell reveals the special contributions that quartet members have made to the cultural and musical identity of the city. The author traces the evolution of such groups as the I. C. Glee Club Quartet, the Spirit of Memphis, the Sunset Travelers, and...