Music significally affects childs development from conception to its full development. Its components such as melody, rythm and tempo help to coordinate our bodies functions, such as the pulse, arterial blood pressure or breathing, which are extremely important for a balanced life style. If the music is enjoyable for the child, itd components help achieve joy and happiness. Unconsciously, that helps to activate system sin our body which leads to successful development. It also significally affects the mother during pregnancy, especially when she goes trough specific hormonal disbalance that can lead to behavioral changes. Since music is known to improve peoples mood and internal feeling, it is proven that during pregnancy and labor, music improves and helps the whole process for the mother and the child. The goal of this paper is to show the influence of music on the development of the child from conception to preschool age. There are explanations about how the music affects and which its contributions in its applications during childs development, but also how it helps the mother during pregnancy.