Place this clip at the exact moment a character or image is revealed in your edit, not before the setup. Follow it with a short laugh track for a group reaction, or precede it with a quick drum roll when you are building toward a Derpy reveal for fans.
このサウンドについて
This is a very short voice clip, under a second long, of Rainbow Dash simply saying the name Derpy on its own. It feels playful and affectionate, like an in-joke callout fans recognize instantly, turning a brief name-drop into a light, cheerful reaction for anyone who knows the character and enjoys hearing it called out.