Home > Glossary > hexachord 1 Set of six pitches. 2 In medieval theory and practice, three types of hexachord were distinguished: according to whether the B was absent ("natural" hexachord, as in C-A); B was natural ("hard hexachord," as in G-E); or B was flat ("soft" hexachord, as in F-D with Bb) See also SOLMIZATION.

---

---