SigSig comes from Beatmania IIDX, Konami's long-running arcade rhythm game series where players hit notes in time with electronic tracks. The song became a favourite among rhythm game fans for its bright, high-speed sound and its memorable synth hook, which made it easy to recognise even outside the arcade. Over time it has been shared in gameplay videos, montages and soundboards, where listeners use it as shorthand for fast, confident arcade energy. Its lasting appeal comes from that instant, upbeat rhythm game feel.