🎵 Polyrhythm Practice Tool

Advanced polyrhythm practice tool that plays two independent rhythms simultaneously with visual and audio cues. Perfect for musicians, music students, and composers learning complex rhythmic patterns like 3:4, 5:7, or custom ratios.

Number of beats for the first rhythm (e.g., 3 for the "3" in 3:4)
Number of beats for the second rhythm (e.g., 4 for the "4" in 3:4)
Beats per minute - controls the speed of the practice session
Choose the sound for the first rhythm
Choose the sound for the second rhythm
Adjust the overall volume level
70
Play 4 preparatory beats before starting the polyrhythm
Choose how the rhythm is displayed visually

Polyrhythm Practice Session:

🎵 POLYRHYTHM PRACTICE

3:4 Polyrhythm at 120 BPM

Visual + Audio Example Practice Session

👁️ Visual Metronome Preview

Rhythm A (3 beats)
Click Sound (800Hz)
Rhythm B (4 beats)
Beep Sound (600Hz)
🎵 Polyrhythm Cycle: 12 beats (LCM of 3 and 4)

⏱️ Timing Information

120 BPM
Tempo
0.5s/beat
Beat Duration
6s cycle
Full Pattern

How to Use This Polyrhythm Practice Tool

The Polyrhythm Practice Tool helps musicians develop rhythmic independence and master complex timing relationships through synchronized audio and visual feedback.

  1. Set Your Polyrhythm Ratio: Enter the number of beats for each rhythm (e.g., 3 and 4 for a 3:4 polyrhythm)
  2. Choose Tempo: Set the BPM based on your comfort level - start slow and increase gradually
  3. Select Sounds: Pick different sounds for each rhythm to distinguish them clearly
  4. Adjust Volume: Set a comfortable listening level for your practice environment
  5. Configure Options: Enable count-in, choose visual style, and customize the practice experience
  6. Start Practice: Click "Start Practice" to begin the polyrhythmic metronome session
  7. Visual Guidance: Watch the visual metronome to see when each rhythm hits
  8. Stop When Ready: Use the stop button to end your practice session

For best results, practice each rhythm separately before combining them, and focus on feeling one rhythm while hearing both.

How It Works

This polyrhythm practice tool uses advanced Web Audio API technology to generate precise timing and audio synthesis:

  • Mathematical Timing: Calculates the least common multiple (LCM) of both rhythms to determine the complete cycle length
  • Audio Synthesis: Generates pure tone clicks, beeps, and percussion sounds using oscillators and filters
  • Visual Synchronization: Real-time visual feedback shows beat positions with color-coded rhythm indicators
  • Precise Scheduling: Uses high-resolution audio timing to ensure perfectly synchronized polyrhythmic playback
  • Interactive Controls: Responsive start/stop functionality with optional count-in preparation beats

The tool creates two independent timing tracks that play simultaneously, allowing you to hear and see how different rhythmic patterns interact. Each rhythm can have its own distinct sound and visual representation, making it easier to distinguish between the patterns while developing your rhythmic independence skills.

The visual metronome provides immediate feedback about beat placement, helping you understand the mathematical relationships between different rhythmic subdivisions and develop internal timing accuracy.

When You Might Need This

Frequently Asked Questions

What is a polyrhythm and how does it differ from a cross-rhythm?

A polyrhythm is the simultaneous use of two or more rhythms that are not readily perceived as deriving from one another. For example, 3:4 means 3 beats played against 4 beats in the same time period. This differs from cross-rhythms, which are rhythmic patterns that conflict with the meter but still relate to it mathematically. Polyrhythms create a sense of musical tension and complexity.

How do I choose the right tempo for practicing polyrhythms?

Start with slower tempos (60-80 BPM) when learning new polyrhythmic patterns to clearly hear and feel the relationship between the rhythms. As you become comfortable, gradually increase the tempo. Advanced polyrhythms may require starting as slow as 40 BPM, while familiar patterns can be practiced at performance tempo (120-140 BPM).

Which polyrhythms should beginners start with?

Begin with simple ratios like 2:3 and 3:4, as these are the most common and manageable. The 2:3 polyrhythm appears frequently in folk music and jazz, while 3:4 is essential for classical and contemporary compositions. Once comfortable with these, progress to 3:5, 4:5, and eventually more complex ratios like 5:7 or 7:9.

Can this tool help with metric modulation practice?

Yes, this tool is excellent for metric modulation practice. By setting up polyrhythms and switching between them, you can practice transitions where one rhythm becomes the new tempo base. For example, practicing 3:4 where the quarter note of the 3 becomes the new quarter note helps develop smooth metric modulation skills essential for contemporary classical and jazz music.

Why can't I hear both rhythms clearly when they play together?

This is normal when starting polyrhythm practice. Your ear naturally tries to find a single pulse pattern. Use different sounds for each rhythm (like click vs. beep), practice each rhythm separately first, then combine them. Focus on feeling one rhythm while hearing the other. With practice, you'll develop the ability to perceive both rhythms simultaneously as independent layers.