The sound comes from Ba Tan Vlog, the Vietnamese YouTube channel fronted by an elderly home cook known for making oversized versions of everyday dishes. Her polite greeting to viewers, addressing them warmly as grandchildren, became one of the channel's most recognisable signatures as the videos spread widely online. Short excerpts were later shared on TikTok and soundboards as a standalone meme clip. It remains popular because the greeting is instantly identifiable even out of context, making it useful for parody intros and food related jokes.