Music is a form of art, the common elements of which being pitch, rhythm, dynamics and texture. A cultural activity, music is performed by a vast range of instruments and vocal techniques. Music, through time, has evolved as a form of great entertainment and billion worth of money are involved in the music industry. In a number of cultures, music is an important part of people's way of life, paying a role in religious rituals, graduation and marriage, social activities as well as cultural activities.