The direct answer to whether we need music is yes, we do. The more relevant and pertinent question is why we need music. This paper will analyze the relevance of music to the human mind, human emotions, and human social life by focusing on psychological processes associated with musical stimuli. The paper will delve into the roles of music psychology in the psychology field, and in related fields, in three parts: Auditory perception; Music cognition; and Music and musical impact on performance. The paper will also seek to demystify these areas' relation to each other and specifically focus on the impact of these areas of music and music education on music learners and performers. It will also discuss how music education is significant in developing their capabilities in the creation of musical material and the adequate performance of the same, to establish the potential significance of the study of music education on the practice of a music performer.