Abstract
Modern Period is an international art music period from the end of Romantic Period until today and its techniques and movements developing within this period. While the fundementals of Modern Period Music have been established by music reformists such as Reger, Bramhs, Schumann, Bach,it has been observed that it has taken different form with the emergent movements. In the systems of harmony, Contrapunct and tonality used until Modern Period it has been seen that artworks in which strong polyphony has been used arose by making changes.Modern Period Music, is not the reflection of opinions stucked in the level of thought to music but it is a music which is more humanity, more warm, with strong meaning, reaching to ears, minds and emotions In this research the music structure of Modern Period has been studied, the effects of Arnold Schönberg and Paul Hindemith living in that period on Music style have been put forward.


