Amazon: FREE Mp3 Song of Your Choice ($1.29 or Less) This post may contain affiliate links. Please see the full disclosure policy here. Posted on October 31, 2012 Written by Mary 2 Comments Amazon is offering 1 MP3 song priced at $1.29 or less for FREE!!! Just go here and “Share & Claim” with your Facebook friends what your favorite party song is. Then your account will automatically be credited – that’s it!