I have this set up automatically with our smart speaker thing. Whenever it detects someone arriving at home, it plays a jingle from a playlist I set up for the purpose. They are all short - I think the longest is about 30s. They are intros from TV shows and jingles from videogames.

Son goes crazy in a good way or bad way?

Like I can imagine a 4 year old going wild with excitement cause the parents are home. Or a 14 year old cringing hard