Amazon.com is offering yet another free $2 MP3 credit. Go HERE and enter code momrocks (all lowercase) and click "apply code" to get the $2 credit deposited to your Amazon.com account. Amazon.com has a number of songs priced as low as 99 cents each, so you'll probably be able to get one or two free songs. You have until April 22 to use this credit toward either songs or an album.