MOON&SUN is the brainchild of veteran music supervisor and producer, Holly Williamson. With over 20 years working in music and advertising, it was inevitable that she create a company that specializes in creating production music and sound design for motion picture advertising, commercials, and promos.


MOON&SUN also offers music supervision for film, television, trailers and commercials.


MOON&SUN has an arsenal of composers from all around the world that specialize in trailer music and music for advertising. We match your specific needs with them in order to create the perfect music for your projects. As a Music Supervisor, Holly has worked on hundreds of motion picture campaigns for major studios and production companies. Her favorites include:  The Hunger Games, X-Men, 300, Watchmen, Eternal Sunshine of the Spotless Mind, Curious Case of Benjamin Button and work on all eight of the Harry Potter campaigns. Holly is a two-time Key Art Award winner for Harry Potter And The Deathly Hallows Part 2 and The Curious Case of Benjamin Button. She music supervised the 2004 Academy Award Winning Documentary Short; Mighty Times: The Children’s March and the film Strangers, which received Santa Monica Film Festival’s Best Short Film in 2015. She is a member of the American Federation of Musicians (AFM), & The Guild of Music Supervisors (GMS).

MOON&SUN embraces challenges and welcomes the chance to work with you to find the best and most creative solutions to all of your musical needs!


MOON&SUN, explore the music.