But what exactly are these files, and where can you find websites that host them?
There is a subculture of music blogs that specialize in "iTunes rips." These sites often post newly released albums in M4A format. Itunes Plus Aac M4a Sites
: Most modern hardware and software players released in the last decade natively support .m4a AAC files. Top Sources for iTunes Plus AAC M4A But what exactly are these files, and where