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Pitch & Chords

The T1 turns rhythmic patterns into melodic and harmonic material through a set of interconnected tonal controls. A Track does not begin as a fixed melody or chord progression. Instead, it begins with a rhythm and a pool of available notes, and the T1 shapes that material over time.

A useful way to think about this part of the T1 is:

  • Rhythm decides when notes happen
  • Pitch decides which notes are available
  • the tonal controls decide how those notes behave

This makes it possible to create:

  • simple melodic lines
  • repeating motifs
  • chord stabs
  • arpeggios
  • evolving harmonic movement

All of these come from the same underlying system rather than from separate modes.

Why This Matters​

The T1 does not treat melody, harmony, and motion as separate worlds. The same selected note pool can become a static riff, a moving melody, a chord pattern, or an arpeggiated figure depending on how the tonal controls are used.

This is one of the core ideas of the instrument:

  • a small amount of source material can produce many musical results
  • rhythm and tone are tightly connected
  • movement can be added without rewriting the whole Track
  • melody and harmony can remain in key while still changing over time

Because the tonal system works inside the current Scale and Root, it is easy to explore pitch movement while keeping the result musically coherent.

A Simple Mental Model​

A good way to understand Pitch & Chords on the T1 is to think in layers:

  1. Create a rhythm
  2. Choose a note pool
  3. Constrain it with Scale and Root
  4. Shape its behavior with tonal movement controls
  5. Decide whether it behaves more like melody, chords, or arpeggios

This layered approach is why the T1 can move quickly from a simple idea to something more developed.

  • Go to Controlling Pitch if you want to understand note entry, transposition, and per-step pitch locks
  • Go to Generating Melodies if you want to understand how the T1 turns rhythm plus pitch into melodic lines
  • Go to Chords & Arpeggios if you want to explore how the same note pool can become harmony or arpeggiation