Place it just before the corrected lyric appears, then follow the reveal with Oh No No No for the failed singalong and Hell Naw Dog when the mistake is too obvious to defend.
关于此声音
A short Spanish voice clip built around the phrase 'Fíjate en la letra', running about 8.7 seconds. The delivery is direct and teasing, turning a simple instruction to look at the lyrics into a knowing nudge. It feels playful and slightly smug, like catching a friend who sang the wrong words with total confidence.