Isn't most of the music purchases on Amazon DRM-free? And downloadable in regular MP3's with a standard web browser? It's been a while since the last time I acquired any music.
Yes. I purchase Amazon MP3s and play them on Linux. I like actually owning my music as good old-fashioned files. Highly recommended.
Amazon doesn't just provide a link to the files once you purchase them, there is a downloader client. I have never tried the official one, there is an open-source command line alternative called "clamz" that works perfectly.