The sound comes from Sony's PlayStation 2, launched in 2000, and played every time the console started up before a disc loaded. As the system became one of the best-selling consoles ever, its startup chime became embedded in the memories of millions of players worldwide. Years later, clips of the boot sequence spread across YouTube, TikTok and soundboards as shorthand for early-2000s gaming nostalgia, and creators still reuse it to instantly set a retro mood without needing any explanation.