Track 1: Alto Muted
Track 2: Alto Predominant
Track 3: Balanced Voices
Track 4: Baritone Muted
Track 5: Baritone Predominant
Track 6: Bass Muted
Track 7: Bass Predominant
Track 8: Soprano Muted
Track 9: Soprano Predominant
Track 10: Tenor Muted
Track 11: Tenor Predominant
