The harp glissando is a long-established musical technique in which a player sweeps rapidly across the strings, and recordings of it have become a familiar stock sound for film, television and online video. Because the rising run is instantly recognisable as magical or dreamlike, editors reuse it for reveals, transformations and fantasy moments without needing dialogue or explanation. Short clips like this one circulate on soundboards and editing libraries, where creators search for a clean, ready-to-drop shimmer to lift a visual change.