24.6: Binary Principle
24.6 Binary Principle
Binary principle , as defined by Peter Spencer and Peter Temko in their book A Practical Approach to the Study of Form in Music, states that the first section of a binary form modulates to a new key and the second section modulates back to the first key. We find this principal exemplified in a high percentage of binary forms in the Baroque era, and diagrammed in the example below.