How one key stands to another, as reported by keyRelationBetween and tagged onto every entry of relatedKeysOf.
import type { KeyRelation } from '@libraz/libcantus';const relation: KeyRelation = 'relative'; // C major -> A minor Copy
import type { KeyRelation } from '@libraz/libcantus';const relation: KeyRelation = 'relative'; // C major -> A minor
How one key stands to another, as reported by keyRelationBetween and tagged onto every entry of relatedKeysOf.