The Perfect Authentic Cadence in 5 Voices in on September 9, 2017 Play Pause Unmute Mute Back to: Music Theory Comprehensive: Part 6 – SATB Composition Previous Lesson Worksheet No. 4 Your fourth worksheet – don’t forget to check your work! Next Lesson The Imperfect Authentic Cadence in 4 Voices Similarly, the Imperfect Authentic Cadence has some new issues as well.