Place it at the exact moment an edit cuts from expectation to outcome. Build the sequence with the kids cheering button during the announcement, follow with this clip for the cancellation, then let the sad violin button carry the closing reaction shot.
關於此聲音
A short spoken clip, just over two seconds long, where a voice delivers the line there won't be any fireworks in a flat, resigned way. It lands as a small, sad anticlimax, the sound of excitement being quietly cancelled and a promised spectacle turning into plain disappointment instead.