Track 1: Alto 1 Muted - Richard Burchard

Track 2: Alto 1 Predominant - Richard Burchard

Track 3: Alto 2 Muted - Richard Burchard

Track 4: Alto 2 Predominant - Richard Burchard

Track 5: Balanced Voices - Richard Burchard

Track 6: Soprano 1 Muted - Richard Burchard

Track 7: Soprano 1 Predominant - Richard Burchard

Track 8: Soprano 2 Muted - Richard Burchard

Track 9: Soprano 2 Predominant - Richard Burchard