Five Minecraft versions / Fabric + NeoForge

Hear the track.
See the world react.

The Harmonic Client transforms live audio into glowing geometry, world lyrics, dynamic light, and synchronized multiplayer scenes.

Client-side 18 world types Cross-server parties
Audio-linked scene Green leaf and violet music note logo
The Harmonic Client, an audio visualizer mod

Built around the audio

More than an equalizer

Every layer, from world particles to party playback, is driven by the same live bass, mid, treble, tempo, and beat data.

World visualizers

Bars, wave rings, nebulae, rain, geometry, fireflies, world lyrics, and more rendered around the player.

Multiplayer presence

See nearby players' visualizer style and audio response through fast shared state updates.

World-space lyrics

Synced lyric lines exist in the scene above the player, separate from the optional HUD widget.

Persistent parties

Cross-server groups, party chat, roles, synchronized queues, and reconnect-safe membership through the relay.

Your visual language

Shape, gradient, size, bloom, dynamic light, thickness, movement, and reactivity controls.

Optional relay

Encrypted cross-server synchronization at thc.alcoholicwizards.com, disabled until you enable it.

Live world preview

Driven like the in-game renderer

The preview uses the mod's circular geometry, band weighting, layered waveform harmonics, beat pulse, and gradient mapping rather than a generic equalizer.

Ready to play

Right-click the play button for volume. On a phone, double-tap it.

Track pausedCircular Bars

World-space, not a HUD mockup. The stage uses a perspective ground plane and player origin to demonstrate how the effect surrounds a Minecraft player.

Go deeper

Release, changes, and support

Downloads and project information now have dedicated pages, with the same focused experience on desktop and mobile.

For Minecraft servers

Audio with server-side control

The THC server mod lets administrators provide server audio and moderate tracks or requests on that server. The client mod still handles playback and visuals for each player.

Clear answers

Frequently asked

What THC does, how its features work, and which build fits your setup.

Read all user agreements
Does the mod jar contain executable files?

No. The Fabric and NeoForge jars do not bundle executables or native libraries. Optional pinned versions of yt-dlp and FFmpeg download only after you press the download button, and hashes are verified before use.

Are direct downloads and Modrinth builds different?

Direct downloads are the canonical release. When a release is also available on Modrinth, it may host the identical canonical jars after moderation completes; the published SHA-256 values let you verify a mirror byte-for-byte.

Do I need THC installed on the Minecraft server?

Not for the optional external relay. A server-side THC channel can synchronize players on one server, while the relay supports verified cross-server parties and visualizer state.

How does THC react to audio?

THC samples bass, mid, treble, level, tempo, and beat energy from the selected playback or capture source. Visualizers map those live values to geometry, particles, bloom, movement, and dynamic light.

Can I use THC without downloading audio tools?

Yes. Declining disables provider-link playback that needs yt-dlp and FFmpeg, but local capture, settings, visualizers, and other client features remain available.

How does updating work across Minecraft versions?

Minecraft 1.21.1 is always updated and checked first as THC's source-of-truth build. After that work is complete, one of the other maintained Minecraft targets is selected at random for the next port or update pass, so non-primary versions may not be updated in numeric order.

Which languages work in world-space lyrics?

THC supports Unicode world lyrics for Latin text and diacritics, Cyrillic, Korean Hangul, Japanese kana and kanji, Chinese Han characters, and shaped right-to-left Arabic.

Is the website preview identical to Minecraft?

It is a browser simulation, not Minecraft rendering. Its geometry and audio response mirror the mod's formulas closely, while shaders, particles, depth, and dynamic light still look best in-game.

Make sound tangible

Your audio should change the world around you.

Get THC 0.2.1

Infrastructure supporter

About Alcoholic Wizards

Alcoholic Wizards supports THC without owning it. It provides the infrastructure that hosts this website and the multiplayer relay. The Harmonic Client remains independently created and owned by its creator.

Listen on the artist's page

Featured track

Choose a provider to open the official track page. The THC website does not provide an audio download.

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