For a limited time, you can download select MP3 albums (over 500 qualify, 50 albums per genre) for just $5 each. Keep in mind that individual songs cost .99 each, the average album has about 20 songs - you do the math.
This is a list I made of BF ad sites on Twitter - includes atualizações from blackfriday.fm, blackfriday.org, blackfriday.info, blackfridays.info and bfads.net