
thumb|350px|right|Harmonised C major scale : I, ii, iii, IV, V7, vi, vii.
thumb|350px|right|Harmonised C major scale : I, ii, iii, IV, V7, vi, vii.
In music, harmonization (or harmonisation) is the chordal accompaniment to a line or melody: "Using chords and melodies together, making harmony by stacking scale tones as triads".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).