Track 1: A Pledge For Our Time Unison - Accompaniment Track - Richard E. McKee-1

Track 2: A Pledge For Our Time Unison - Balanced Voices - Richard E. McKee-1

Track 3: A Pledge For Our Time Unison - Part 1 Muted - Richard E. McKee-1

Track 4: A Pledge For Our Time Unison - Part 1 Predominant - Richard E. McKee-1

Track 5: A Pledge For Our Time Unison - Part 2 Muted - Richard E. McKee-1

Track 6: A Pledge For Our Time Unison - Part 2 Predominant - Richard E. McKee-1