Chord tones
The actual notes in the selected chord, shown as a practical bassist-first reference.
Choose a root and chord family
The display updates instantly. You will see the current chord tones, the interval formula, two practical movable positions, and a 4-string fretboard map showing where those chord tones appear from fret 0 through fret 12.
Formula and role
The interval pattern that gives the chord its identity.
Plain English
Play these two core views
These are compact chord-tone views built from a root on the E string or a root on the A string. They are meant to show the shape logic clearly, even when the chosen position lands above the 12th fret.
Position 1
E-string root shape
Position 2
A-string root shape
4-String fretboard map
The highlighted notes are only the chord tones in the selected family. Roots, thirds, fifths, and sevenths are each color-coded so you can spot the pattern quickly.
Root
3rd
5th
7th