First, go here, and type in your favorite song. Then share it on Facebook by clicking the blue “Share and Claim” button. Next, you’ll have to accept the app, then you’ll automatically be redirected back to Amazon and receive a message like this:
You will see the regular $1.29 price on the product details page but you will only be charged $.05. After your purchase, you can confirm that your promotional credit was applied by checking your order confirmation, which will be sent to you by e-mail.