Mini Music Tweaks

Evidence

Ran on Kiln's test stand (2026-11-04): MiniMusicTweaksFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; MiniMusicTweaksFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.resources.sounds.AbstractSoundInstance
• net.minecraft.client.resources.sounds.AbstractTickableSoundInstance
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.resources.sounds.SoundInstance
• net.minecraft.client.resources.sounds.SoundInstance.Attenuation
• net.minecraft.client.resources.sounds.TickableSoundInstance
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.network.protocol.game.ServerboundBlockEntityTagQueryPacket
• net.minecraft.server.MinecraftServer
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.permissions.Permissions
• net.minecraft.tags.TagKey
• net.minecraft.world.Difficulty
• net.minecraft.world.damagesource.DamageSource
• net.minecraft.world.entity.monster.Monster
• net.minecraft.world.item.JukeboxSong
• net.minecraft.world.item.JukeboxSongPlayer
• net.minecraft.world.level.block.JukeboxBlock
• net.minecraft.world.level.block.entity.JukeboxBlockEntity
• net.minecraft.world.phys.AABB
• FabricLoader.isModLoaded()
• Minecraft.execute()
• Minecraft.getSoundManager()
• ClientLevel.getDifficulty()
• ClientPacketListener.send()
• and 12 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

A collection of configurable music/sound features!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file music_tweaks-2.1.1+26.3-fabric.jar. The scan reads the mod's classes; it does not run them.