What is the relative minor of eb major?

The relative minor of E-flat major is C minor. This means that C minor is the minor key that has the same key signature as E-flat major, which is three flats (B-flat, E-flat, and A-flat).

C minor is the natural minor scale starting on the note C, and has a melancholic and dark sound compared to its relative major key of E-flat major. The chords in the key of C minor are C minor, D diminished, E-flat major, F minor, G minor, A-flat major, and B-flat major.

In music theory, the relative minor key is important because it provides a contrasting and complementary sound to the major key, allowing for more emotional depth and variety in compositions and arrangements.