This alert comes from the wave of free follower, subscriber and donation sounds that spread among Twitch and DLive streamers in the 2010s, often bundled as numbered packs like Alert #8 for use with popular streaming software. Short, royalty-friendly stingers like this became standard because they cut through gameplay without drowning out commentary. Reposted across soundboards, it is now grabbed by smaller creators and video editors who need an instant, recognizable notification cue for subs, follows, tips and milestone compilations.