Musicians struggle to identify and distinguish between relative major and minor keys

Musicians, music students, and composers frequently encounter confusion when determining whether a piece is written in a minor key versus its relative major key, as they share the same notes but have different tonal centers and emotional qualities. This ambiguity creates frustration during music theory study, composition, and performance analysis, and existing explanations often lack practical, concrete methods for quick identification. Current solutions rely on memorization or trial-and-error listening rather than systematic frameworks.