Place it near the end of a fail compilation, after the mistake is shown, so it acts as the reaction beat. Put the wrong answer sting just before it to set up the error, then follow it with the sad violin for a closing beat.
Over dit geluid
This is a short spoken reaction lasting about two and a half seconds, built around the phrase errors in my room and delivered like a flat, fed-up observation rather than a shout. It gives a dry, slightly exasperated feeling, the kind that lands when small mistakes keep piling up in the same place. It works as a quick sigh of defeat without turning the moment into a big drama.