The Sound That Sells
attached to it prohibiting you from using your favorite song for any commercial use, including your website. Unless you have permission from Justin Timberlake to use his track, it is illegal to do so and large fines are attached to a copyright infringement. This is where Royalty Free music comes into your world, you can pay a fee to download and use the music and then reuse it at your discretion.
The sound that sells may not need to be in place to make you money or sell more products. It is to support the sale of the emotion that you are trying to portray with your project. So be creative and take it to the next level with the appropriate sound.
The last bit of advise is that the higher the quality of music, the better representation of your idea. Music quality is determined by the recording quality coupled with the skill level of the