Okay kiddo, imagine you're playing hide and seek with your friends. You all pick a spot to hide and the person who is "it" has to find everyone. In this game, some spots are really good hiding places, and some spots aren't very good at all. But there's one spot that's right in the middle - it's not the best hiding spot, but it's not the worst either. That spot is like the "neutral" spot in the game.
Now when we talk about music, sometimes there is a note that sounds kind of neutral too. It's not a really high note or a really low note, and it's not super happy or super sad. It's just right in the middle. That note is called the "neutral second."
Musicians use this note sometimes because it doesn't really have a strong feeling one way or another. It's like the Switzerland of notes – it's neutral and doesn't take sides. But just because the neutral second doesn't have a strong feeling doesn't mean it's not important. It can actually be really helpful in making music sound interesting and balanced!