It's kind like the difference between URI and URN. The 'Music Browser' meant to point directly to the true spirit of the original music, nothing else. The brow

It's kind like the difference between URI and URN. The 'Music Browser' meant to point directly to the true spirit of the original music, nothing else. The browsing process is the exploring of those artistic minds and jumping between derivatives. iTunes and Last.FM are just pointing to instance of the music class