Concentric Polyrhythmic Drum Machine & Sequencer

Master Grid: 4/4

Active Nodes: 0

Rings: 5

⚡ Ratio & Tempo Engine Master 120

Master BPM

120

Ratio Preset

Phase Alignment (Hard Lock / Drift)

🎼 Microtonal Engine Tune.js

Tuning Scale

Root Frequency

Filter Cutoff

2.2k

🎛️ Instrument Rings 5 Tracks

💾 Presets & State JSON

⏱️ Circle of Fifths Clock Auto (Clock)

LOCAL ANALOG TIME

12:00:00

Key: C Major

Triad Notes: C4 • E4 • G4 Root: 261.63 Hz

Fifth Freq: 392.00 Hz Sweep Ready

5% Root 50% Root 85% 5th

🎹 4-Bar Harmonic Engine Bar 1/4

Advances on each bar cycle. Triggers full piano triad chord & drum on 4th bar.

Bar 1

Bar 2

Bar 3

Bar 4 🎹

🌊 Harmonic Minute Drone Ready

Plays a light sine wave when the minute hand sweeps through portions of the Circle of Fifths sharing root notes with current Location (e.g., D portion during Hour 1 / G). Pulses 4 beats ON (half volume) / 4 beats OFF until it exits.

Minute Position: 12.0m • D Portion

Shared Harmonic: D (5th of G Major)

Pulsing State: 🔊 4 Beats ON

Minute Hand Scrub 12.0 min

Quick Test Scenarios:

🥁 Drum Engine Source Live Samples

Select kick drum source mode for 4-bar cadence:

🎛️ Circle of Fifths Keys 12 Positions

Click any key to manually audition or lock the hour pointer:

🔌 WebMIDI Broadcast Offline

Broadcast real-time MIDI note events to external synths, DAWs (Ableton, Logic, Pro Tools), or virtual ports (IAC / loopMIDI).

MIDI Output Port

MIDI Activity

Ch 1 (Matrix) • Ch 2 (Chords)