Position of the tonicUnbroken chain: positions are modes
Changing the position keeps the tonic and moves the notes around it. To keep the notes and read them from another tonic, pick one below, or .
Chords in the field 6 triads · 7 sevenths
One note away add or remove a note
Spelling
01
A number for every shape
Read the chain of fifths as binary: each occupied position is a 1. C D E F G A B fills seven consecutive fifths — 1111111, Circle 127.
02
Tonic and position
The shape does not say where home is. You choose the tonic and the position it holds in the chain; modes get their names only on an unbroken chain of seven.
03
Chord fields
A field holds every chord whose notes it contains. Presence is not function: Chordfields shows what is there, and leaves the harmony to you.