MUSO Launch new online content protection platform which includes remarkable functionality for labels Ability to search entire artist catalogues for infringement with just one implementation, with even greater cost-efficiency. Every Remix and an entire artists catalogues can be protected. March 24th 2014, London MUSO is the most comprehensive online anti-piracy system available for the music industry used by over 1000 rights holders globally. In 2013 they helped their rights holders deal with over 85 Million illegal files and this figure is set to significantly rise in 2014.