Music has diverse legal and business requirements. This industry has undergone major changes and transformations since the final decades of the XX century. Additionally it is an area of entertainment that is very much convergent with others such as cinema, television and video games, which requires comprehensive legal advice, such as the organization and sale of massive and online events, production and management of individual or collective musical works, the legal structuring of bands or music groups, the defense and protection of the works, amongst others.