Music is found in every identified culture that man has ever known, in past and in present. Every ancient tribe even the isolated ones have known to have music especially in their rituals and prayers. Music has always been a part of us since the ancient times. According to historians it has existence among us for the past 55,000 years. Initially music may have been invented in Africa which later developed to become an imperative part in human life.

A culture's music is affected by all various facets of that culture, including economic and social group and skill, environment and access to equipment. The feelings and thoughts that music articulates, the circumstances in which music is played and heard, and the approach towards the music players and composers all differ between areas and ages.

This eBook is all about concepts, conjectures and theories formed about the many characteristics of music. Music theory is a part of Musicology which is anintellectual analysis and study of music and musicology that comes under the vast field of studies on humanities. Music is normally concerned with intellectual characteristics of music like scales, tuning, consonance or rhythm but besides this there is another theory of the concrete aspects like creating music, orchestration, electronic sound and protection etc. Any person who learns, imparts and pens about music theory is a music theorist.

The growth, conservation, and showcasing of music theory may be found in verbal and practical musical instruments, music-making traditions, and in other artfacts. Like the ancient instruments from China, Mesopotamia and other prehistoric sites all over the globe disclose minutiae about the music they created and, possibly, somewhat of the musical theory that could have been used by their makers. In prehistoric and existing cultures about the world, the profound and stretched origins of music theory are evidently clear in instruments, current music making and oral traditions, various cultures, as ancient China and ancient Mesopotamia have also deliberated music theory in many official ways like written dissertations and music symbolization.