Below are examples of versions where a system based on melody would succeed, and a system based on harmony would fail:

• Version 1

• Version 2

• Version 1

• Version 2

• Version 3

Below are examples of versions where a system based on melody would fail, and a system based on harmony would succeed:

• Version 1

• Version 2

Below are examples of false versions where a system based on melody would succeed, and harmony would fail:

• Version 1

• Version 2

Below are examples of false versions where a system based on melody would fail, and harmony would succeed: