1. Hedonist, otherwise known as Hiroki Otsuka, is a Japanese multi-talented music engineer from Tokyo, who has experience in composing, arranging, recording, mixing, mastering, DJ'ing, VJ'ing, and much more. During his upcoming career, mastering became an interest for Hedonist after a year of DJ'ing in 2004, and in 2005 he began to focus on learning more about it while attending Shobi University of Music. A year after Hedonist became a part of a game music production team called i.o.sound contributing music for various games.

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