Track 1: A Scottish Riddle 2-Part – Accompaniment Track – Mary Donnelly and George L.O. Strid-1

Track 2: A Scottish Riddle 2-Part – Balanced Voices – Mary Donnelly and George L.O. Strid-1

Track 3: A Scottish Riddle 2-Part – Part 1 Muted – Mary Donnelly and George L.O. Strid-1

Track 4: A Scottish Riddle 2-Part – Part 1 Predominant – Mary Donnelly and George L.O. Strid-1

Track 5: A Scottish Riddle 2-Part – Part 2 Muted – Mary Donnelly and George L.O. Strid-1

Track 6: A Scottish Riddle 2-Part – Part 2 Predominant – Mary Donnelly and George L.O. Strid-1