Place it at the very end of a retro desktop edit, after an app tap that opens the old program and a meme sting that lands the joke, with no other sound after it.
关于此声音
This is the shutdown chime from Windows Longhorn, lasting about seven seconds as a gentle electronic tone that eases away instead of stopping sharply. It feels calm and quietly nostalgic, like a polished computer winding down at the end of a session. Longhorn was the codename for early builds that later became Windows Vista, and this sound circulated among PC enthusiasts in the mid-2000s.