This is a .Wav file of a custom backing track that is ideal for a commercial or movie intro. To listen, click on the title. If you like it simply follow the purchase directions. Once purchased, you may use this for whatever application you want. After the payment process is completed, you will be asked to Track your shipment. Simply click on the link and a status bar will appear, press the download button at the end, and the file will be downloaded to your device.