John-William Gambrell is a NYC-based composer and music director creating bold, imaginative work for theater, dance, and film.​​

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His original musicals—Syzygy: A New Musical (FABnyc 2025) and Toothy’s Treasure: A Musical Comedy (The Theater Center 2023, SoHo Playhouse 2024)—showcase his knack for fresh storytelling and genre-blending sound.

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John-William has collaborated with Broadway talents like PigPen Theatre Co., Marc Bruni, Carey Perloff, Mark Bennett, Christopher Jahnke, and his work as a dance accompanist include Joffrey Ballet School, The Ailey School, Boston Ballet School, and Ballet Hispanico among others.