Android has had the Amazon MP3 app for some time now. It’s a slim, trim application that allows you to purchase unlocked high quality MP3 files directly from Amazon MP3 and auto bill it to a card on record. This integrates with other music programs such as Pandora and SoundHound where you can identify a song you like on the ...

http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2FMP3-Music-Download%2Fb%3Fie%3DUTF8%26node%3D163856011%23&tag=markdrag-20&linkCode=ur2&camp=1789&creative=390957 Amazon will give you 2gb of free space to start.