What makes The Rumbling by SiM notable?

'The Rumbling' quickly garnered significant attention, debuting at number one on the Billboard Japan Hot 100 and becoming a viral sensation within anime communities. Its connection to 'Attack on Titan' helped bridge the gap between music and anime fandom, influencing how theme songs are perceived in contemporary Japanese pop culture. Released on January 10, 2022, 'The Rumbling' marked SiM's emergence into mainstream recognition, following their previous work that established them as a notable force in Japanese alternative rock. This single serves as a tie-in to the popular anime series 'Attack on Titan', expanding their audience beyond Japan's music scene.