All parts:
Soprano I only (top line, upper divisi):
Soprano I karaoke (all but Soprano I):
Soprano II only (second line, upper divisi):
Soprano II karaoke (all but Soprano II):
Alto I only (third line, upper divisi):
Alto I karaoke (all but Alto I):
Alto II only (bottom line, upper divisi):
Alto II karaoke (all but Alto II):