
KAT CARTUSCIELLO
Composer | Multi-Instrumentalist | Illustrator


Kat Cartusciello is a queer NYC-based composer, sound-designer, and multi-instrumentalist. She is Jason Robert Brown’s music assistant, and has worked with him since 2023 on numerous projects, including "The Connector," "Midnight in the Garden of Good & Evil," "Less," and "The Last Five Years." She is a member of the TheatreNOW writing lab, Maestra, and Ring of Keys, and has three musicals in development: Nima and the Jen (book & lyrics by Thalia Ranjbar,); Hard Tack (book & lyrics by Jessie Field); and Then She Ran (book & lyrics by Alex Becker). With Jessie Field, Kat also wrote a 30-minute opera for American Opera Project, Styx & Stones, which was inspired by Patricia Cronin's "Memorial to a Marriage."
Kat has also worked as the Music Associate for The Philadelphia Theater Company premier of "The Tattooed Lady" (2022); as the Post-production Sound Designer for "The Doctor is Dead" (Apple Podcasts, 2022), and as the Composer/On-Stage Musician for interdisciplinary dance-piece 2.5 Breaths, (Chain Theater, 2022). She has written original music for various works including short-film Heirloom (Winner of Monmouth Film Festival & New York International Film Festival), Village Song (Rattlestick Playwrights Theater); and Walks of Life, (Blindspot Collective/La Jolla Playhouse).
Kat is a bassist who specializes in new work; recent shows include The Angel Makers (SheNYC 2024 Summer Festival), A Trip To The Moon (Makers Ensemble 2024), Pippin (Pace University 2023), and Charlotte Lucas is 27 and Not Dead (Piper Theater Company 2022). She is the recipient of the Max Dreyfus ASCAP Award and the Betty Green Fischoff Troupers Scholarship. She is a member of the Dramatists Guild, Maestra, Ring of Keys, and the TheatreNOW Writing Lab, and she holds an MFA from NYU Tisch School of the Arts, and a BA with honors in music from Columbia University.












