Mariana Calegari is a Brazilian-Italian composer for visual media based in Los Angeles. In 2021, she received a nomination for the European Talent Competition; in 2023, she was nominated for Best Score - Short Film Animated for "Wing It!" at the Hollywood Music in Media Awards.

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Her graduate studies included a master's degree in music for video games at Santa Cecilia Conservatory in 2018 and a master's degree in film scoring at Saint Louis College in Italy in 2019.

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She was awarded with a mentoring program in Los Angeles in 2020; during this period, she assisted the composer and Joy Music House CEO Catherine Joy.

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In addition to writing scores for several short films, Mariana has orchestrated scores for a number of high-profile projects, including Amazon, Netflix, and HBO.