Place it at the turn where a conversation changes language, then follow it with German Song to keep the German theme going before the next reply lands. For a sharper contrast, put a reaction sound after it, letting the switch set up the reply that follows.
Sobre este som
This clip is a short spoken German sentence, delivered in about two seconds, in which the speaker announces that they will switch to German now. It lands with a cheeky, stubborn humour, like a playful refusal to keep translating yourself for everyone else. The line works as a quick retort, turning a language change into a small, confident joke that listeners recognise at once.