What is a Mechanical royalty? Luke September 22, 2018 01:51 Updated Follow Mechanical royalties generally refer to 'sales' of a composition. Related articles Does Vocalizr notify my Royalty Association of any music I complete on the site? What is a Performance royalty? When bidding on a Gig or Contest, what does the M & P stand for? Who pays the royalties? What is a Contest? Comments 0 comments Please sign in to leave a comment.