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Piano is the primary instrument associated with Joe Hisaishi, a renowned Japanese composer and pianist. Hisaishi's mastery of the piano is evident in his numerous compositions for films, including the iconic Studio Ghibli productions such as "Spirited Away" and "Princess Mononoke." His piano melodies are characterized by their emotional depth, lyrical beauty, and intricate harmonies, contributing significantly to the evocative and memorable soundtracks he creates.