ZAZEN BOYS, an innovative Japanese rock band, emerged from the bustling music scene of Tokyo with a unique sound that fuses various genres, including punk, funk, electronic, and progressive rock. The band was formed by Mukai Shutoku after the disbandment of his previous influential group, Number Girl, which played a significant role in the Japanese indie rock world during the late 1990s. ZAZEN BOYS took the experimental spirit of Number Girl even further, cementing Shutoku's status as a vanguard of modern Japanese rock music. They debuted with their self-titled album "ZAZEN BOYS" in 2004, embarking on a journey that would see them consistently challenging and evolving the sonic landscape of Japanese rock.

Throughout their career, ZAZEN BOYS have maintained a prolific output with a series of albums such as "ZAZEN BOYS II", "ZAZEN BOYS III", and "ZAZEN BOYS 4." Their music often features complex rhythms and idiosyncratic lyrics, delivered with an uncompromising attitude toward artistic exploration. Tracks like "HIMITSU GIRL'S TOP SECRET" and "永遠少女" showcase the band's ability to blend catchy hooks with avant-garde structures. The group is lauded for their captivating live performances, proving that their fervor for pushing boundaries isn't confined to the studio. Despite changes in their lineup and the ebb and flow of musical trends, ZAZEN BOYS have carved out a distinct niche that continues to win over fans in Japan and beyond.