The study briefly maps the importance and function of music and singing in the Bible. The first part deals with the analysis of the Old Testament, where we note the first mention about singing and music. Furthermore, we discuss the function, shape, character and division of basic musical instruments and characterize the most famous Old Testament chants. Attention will be paid to the book of Psalms, Song of Songs, Deborah’s Song and other small songs in the Old Testament. In the final part we will search the importance and function of music and singing in the New Testament. We will briefly analyze those New Testament books where we find hints of music or singing.