Explain the concept of modal interchange and provide three examples of its application in a jazz standard.

Modal interchange, also known as modal mixture or borrowed chords, is a harmonic technique used in jazz and other genres where chords are "borrowed" from parallel modes or scales. Instead of solely relying on the diatonic chords within a single key, composers and improvisers incorporate chords from related modes that share the same root. This technique introduces color, expands harmonic possibilities, and creates a more sophisticated and nuanced harmonic texture. It's a way to move beyond the basic sound of a key without completely abandoning it. Modal interchange adds a sense of surprise and a rich palette of harmonic flavors that makes jazz harmony so appealing and complex. The beauty of it lies in its ability to subtly shift the emotional landscape within a piece. Here are three examples of modal interchange within the context of jazz standards: 1. "All The Things You Are" – The bridge of this famous standard features several instances of modal interchange, primarily involving chords borrowed from the parallel minor and other related modes. For example, t....