Borrowed chord topic

A borrowed chord is a chord borrowed from the parallel key. If the root of the borrowed chord is not in the original key, then they are named by the accidental. For instance, in major, a chord borrowed from the parallel minor's sixth degree is a "flat six chord" written VI. Borrowed chords are an example of mode mixture. Six chords borrowed from the parallel minor key are commonly found in the Baroque, Classical and Romantic eras (shown here in C major): The following three chords are also... full article at wikipedia