Here’s another free offer from Amazon
Sign into your Amazon Account and answer this new Share & Claim question. You will need to share your response on Facebook.
Claim: Free Amazon MP3
Once you have your credit, redeem your $2.00 credit at the Amazon MP3 Store.
Upon completion of the “Share & Claim” question, a promotional credit of $2.00 to purchase any MP3 will be automatically applied to your Amazon account. Promotional credits must be redeemed by 11:59 PM PST on January 10, 2013.