Andy Gan, also known Dan Gryzon, is a Singaporean musician, songwriter and composer. He was born in Indonesia, and is also a mix of Japanese and Chinese. Dan released his first single "Silent Sirens" in 2018, and made his television debut in 2021, for a songwriting competition "Projek Lagu", which was organized by Mediacorp Suria. Together with his teammates, they became one of the finalists and came in 3rd place for the competition. He had his first live show at the Esplanade Concourse, together with local artist Yanto Sani. He is also one of the producers for the theme song of "Bisikan Syahdu", a Mediacorp Suria drama which aired in 2024. Currently, he is part of Gamelan Singamurti, a Balinese gamelan group based in Singapore.