savage genius

savage genius is a Japanese band signed to Victor Entertainment. The duo Aa (vocals and lyricist) and Takumi (composer/arranger, producer) started as a songwriting group in the live music scene in Kobe. They debuted in the 2001 AXIA Artist Audition, and signed with Warner Music Japan, cutting two singles. On November 30, 2007, it was announced that one of the group's members, Takumi, had retired. (Source: Wikipedia)

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