aac or m4a high resolution and very low space so nice ever and ever, build your own entrance to this, but will be lovely, that you could do this, cause every man and woman needs to build his/her own image of world. if not, we go a long way to something, whats not in the mind of people. For myself, I do not want that some people, maybe stupid, make my way. Exchange and decide yourself! You are a wonder! Do you know it?