Cross relation · Rules
If a note appears altered in the next chord (F and F♯), the chromatic change happens within one voice, not split between two. In minor it is allowed on the sixth and seventh degrees (those of the melodic minor scale).
- Cross relation: If a note appears altered in the next chord (F and F♯), the chromatic change happens within one voice, not split between two. In minor it is allowed on the sixth and seventh degrees (those of the melodic minor scale). (Piston, ch. 16, pp. 252–253)