Seventh Chords — Open Music Theory
Open Music Theory
Supports: seventh chords are four-note chords; major seventh, dominant seventh, minor seventh and half-diminished seventh constructions; four positions including third inversion; written spelling and inversion principles
Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.
Checked 2026-09-12 · N2C-OMT-SEVENTH