The final installment in the series examines arguments that attempt to justify solos and choirs in the church worship assembly, with special attention given to the decisive grammar of Ephesians 5:19 and Colossians 3:16, including the meaning of reciprocity as well as psallo. The series concludes by setting forth every verse in the New Testament that refers to musical expression--all 9 of which refer to the exclusive use of vocal music. The truth is simple!