Transition Music Corporation | 512 followers on LinkedIn. Transition Music Corporation (TMC), founded by Donna Ross Jones, is ranked in the top 100 music publishers in the United States and has placed music in thousands of productions. This past year TMC generated over one million global music performances in film, TV, commercials, games, internet, and webisodes. TMC provides music supervision services and develops custom music solutions for TV stations, networks, production companies and web-based clients that include: pre-cleared music, clearance, sourcing, reporting, tracking, and original music.