What is a Mechanical royalty? Luke May 05, 2017 00:15 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? What is a Contest? Fees, Charges & Commissions Comments 0 comments Please sign in to leave a comment.