English:
The two measures on the left show the framework for chorus. This framework is the secondary melody that this chorus response is based on. The two measures on the right show the application of the span process in both the upward and downward direction on the secondary melody (counter melody).
The two measures on the left show the framework for chorus. This framework is the secondary melody that this chorus response is based on. The two measures on the right show the application of the span process in both the upward and downward direction on the secondary melody (counter melody).