SPARK!!SOUND!!SHOW!!, commonly known as SuSaSi, is an alternative rock band formed in 2009 in Osaka, Japan. They are renowned for their eclectic fusion of alternative rock, punk, and electronic music, delivering high-energy performances that have captivated audiences across Japan.​ SPARK!!SOUND!!SHOW!!’s music is characterized by a dynamic blend of alternative rock, punk, and electronic elements. Their sound features aggressive guitar riffs, synthesizer-driven melodies, and energetic rhythms, creating a unique and engaging auditory experience.