Daisuke Niinuma is a talented musician who plays bass guitar and dulcimer. He is a skilled accompanist and has worked as a songwriter, sound engineer, and guitar and bass teacher. He has a passion for world music and has trained on the hammered dulcimer, a percussion instrument from Persian culture. Since 2024, he has collaborated with Shuji Yamagiri on the "Hikari Yammy" project as a dulcimer player. This year, at Main Matsuri, he will showcase his skills as a manipulator, processing soundeffects for various artists.