What makes Atarashii Hibi by Puffy AmiYumi notable?

The album helped further establish Puffy AmiYumi’s popularity in Japan and internationally, particularly in North America where they gained a following through their work on the 'Teen Titans' soundtrack. Their unique fusion of J-pop and rock influences made them pivotal figures in the Shibuya-kei movement, influencing subsequent artists in the genre. Released on April 25, 2001, 'Atarashii Hibi' was Puffy AmiYumi's fourth studio album, coming after their breakthrough success in the late 1990s. At this point in their career, they were solidifying their presence in the J-pop scene with a distinctive sound that combined elements of Shibuya-kei and pop-rock.