What are the basic differences between styles of music? 1. Rhythm 2. Instrumentation 3. Purpose -Western music and western based styles haave a big emphasis on harmony, or the way tones sound when when heard at the same time. The harmony controls the melody. And the evolution of Western/ Western based styles has always been one of harmony. -Eastern and eastern based styles have lotts of improvisation and more variety in rhythm when compared to the West. Harmony isn't as much of a concern. Melodies are heavily decorated and rhythm is elastic. -Western and Eastern combined in teh Ameriicas. Country, Blues, Jazz, Rock, Latin, and all other variations of each style are combinations of Easter and Western elements.