When bidding on a Gig or Contest, what does the M & P stand for? Luke August 18, 2018 14:27 Updated Follow Mechanical & Performance royalties that may be offered by the employer (Gig/Contest creator). Related articles What is a Performance royalty? Does Vocalizr notify my Royalty Association of any music I complete on the site? Who pays the royalties? What is a Mechanical royalty? Does Vocalizr own any Rights or Copyrights to music I post or work I complete on the site? Comments 0 comments Please sign in to leave a comment.