Minecraft sounds overwrite?

Th
2

Hi, I'm trying to overwrite minecraft sounds (1.15+). But I don't know how I have to insert the sounds to overwrite this game. I know how to create a pack. Could you give me e.g. Say where I can change the sound "close box".

Am

In the texturepack \ assets \ Minecraft \ Sounds

Th

Ne, e.g. At BastGHG the structure was different