Track 1: 30-Second Merry Christmas SSA - Alto 1 Muted - Donald Moore-1

Track 2: 30-Second Merry Christmas SSA - Alto 1 Predominant - Donald Moore-1

Track 3: 30-Second Merry Christmas SSA - Alto 2 Muted - Donald Moore-1

Track 4: 30-Second Merry Christmas SSA - Alto 2 Predominant - Donald Moore-1

Track 5: 30-Second Merry Christmas SSA - Balanced Voices - Donald Moore-1

Track 6: 30-Second Merry Christmas SSA - Soprano 1a Muted - Donald Moore-1

Track 7: 30-Second Merry Christmas SSA - Soprano 1a Predominant - Donald Moore-1

Track 8: 30-Second Merry Christmas SSA - Soprano 1b Muted - Donald Moore-1

Track 9: 30-Second Merry Christmas SSA - Soprano 1b Predominant - Donald Moore-1

Track 10: 30-Second Merry Christmas SSA - Soprano 2a Muted - Donald Moore-1

Track 11: 30-Second Merry Christmas SSA - Soprano 2a Predominant - Donald Moore-1

Track 12: 30-Second Merry Christmas SSA - Soprano 2b Muted - Donald Moore-1

Track 13: 30-Second Merry Christmas SSA - Soprano 2b Predominant - Donald Moore-1