Minecraft but the caves sound and look cool

A short video showcasing the combination of these two really cool mods, one a mod and the other a shader. Makes the caves a lot more immersive with their sounds bouncing off the walls. Plus the horror-themed shader adding a bit of extra flare.
Here's the two things I used:
Audio mod: www.curseforge...
Shader (Requires Iris or Optifine): www.curseforge...