Track 1: A World of Music 2-Part - Accompaniment Track - Dave and Jean Perry-1

Track 2: A World of Music 2-Part - Balanced Voices - Dave and Jean Perry-1

Track 3: A World of Music 2-Part - Part 1a Muted - Dave and Jean Perry-1

Track 4: A World of Music 2-Part - Part 1a Predominant - Dave and Jean Perry-1

Track 5: A World of Music 2-Part - Part 1b Muted - Dave and Jean Perry-1

Track 6: A World of Music 2-Part - Part 1b Predominant - Dave and Jean Perry-1

Track 7: A World of Music 2-Part - Part 2 Muted - Dave and Jean Perry-1

Track 8: A World of Music 2-Part - Part 2 Predominant - Dave and Jean Perry-1