The world is witnessing an immense growth in mp3 download presently. Many experts feel that the reason for this is the increase in number of the music lover. People are gradually shifting away from the CD music because mp3 downloads give a much wider option. Without having to spend money on buying the entire album, music lovers are able to download the songs of their choice for a very nominal fee. More and more web sites are taking advantage of this change to increase their sales and traffic.