As I explained here previously, artists don't really get paid on album sales (or mp3 sales) due to various reasons. Besides TV/Radio broadcasts, what they reall

As I explained here previously, artists don't really get paid on album sales (or mp3 sales) due to various reasons. Besides TV/Radio broadcasts, what they really care about is concerts (live performances) and concert attendance and Facebook and Twitter are both excellent tools to raise some noise before gigs. It looks like Apple understands that.