Subtonic

In music, the subtonic is the lowered seventh degree of the scale, as opposed to the leading tone. For example, in the A minor scale (white keys on a piano), the subtonic is the note G (in C this would be Bb); and the subtonic chord uses the notes G, B, and D (in C: BbDF). In music theory, the subtonic chord is symbolized with the Roman numeral bVII if major or bvii if minor.

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"Subtonic" also refers to a relationship of musical keys. For example, relative to the key of C major, the key of Bb major is the subtonic. Modulation (changes of key) to the subtonic are relatively rare, compared with, say, modulation into the dominant.

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Scale: Scale can refer to:...

Leading tone: In music theory, a leading-tone (called the leading-note outside the US) is a note or pitch which resolves or "leads" to a note one semitone higher or lower, being a lower and upper leading-tone, respectively....

Minor scale: A minor scale in musical theory is a diatonic scale whose third scale degree is an interval of a minor third above the tonic. While some definitions of minor scale encompass modes with the minor third, such as Dorian mode, most musicians use the term to refer to the natural minor, harmonic minor, an...