Music business between analogical and digital market.

This paper aims to describe the changes in the music business relatively to the various structures and shapes that work within it, also about the formats and procedures for enjoyment of music by the fans of the genre. It has gone from a monopoly of the record companies to "illegal" file sharing as Napster, to the opening of online stores like Amaxon, creating digital platforms paid music, to the last frontier of listening streaming. Figure carrier of this change is the consumer understood as passionate and habitual user of music. His centrality is emphasized by a real digital revolution. It shows that consumers \ users are increasingly knowledgeable and aware of the value of the product offering, thanks to the infinite possibilities of access to information.