What makes Banzai by B'z notable?

'Banzai' showcased B'z's ability to blend hard rock with accessible pop elements, reaching No. 1 on the Oricon charts upon release. The lead single, 'BANZAI,' became a staple in their live performances and contributed to the band's legacy in the Japanese rock scene during the early 2000s. Released on May 5, 2004, 'Banzai' marked B'z's 16th studio album during a period of sustained popularity in Japan. This album followed their successful release 'Green', which solidified their status as one of Japan’s top rock bands. At this point, they were known for consistently delivering high-energy music that appealed to a broad audience.