Amazon celebrating one million plus followers to its Amazonmp3 twitter feed is giving away MP3 credit worth $1.29. This credit can be used to purchase any MP3 songs or album on Amazon site. The coupon code is FIRSTMIL.
Promotional offer is valid from September 3, 2009 12:00 AM PDT through September 6, 2009 11:59 PM PDT. You must redeem the credit by September 6, 2009 11:59 PM PDT.
Here are more details from Amazon site link.
Tip : Follow Amazonmp3 twitter feed for regular MP3 deals from Amazon. Lost of free MP3 posted regularly.