Editing Augmented second (section)

== Usage ==
Augmented seconds occur in many scales, including the various modes of the [[harmonic minor]] and [[double harmonic]] scales. In harmonic minor, the augmented second occurs between the sixth and seventh scale degrees. For example, in the scale of A harmonic minor, the notes F and G{{music|sharp}} form the interval of an augmented second. This distinguishing feature of harmonic minor scales occurs as a consequence of the seventh scale degree having been chromatically raised in order to allow [[chord (music)|chords]] in a minor key to follow the same rules of [[cadence (music)|cadence]] observed in major keys, where the V chord is "dominant" (that is, contains a major triad plus a [[minor seventh]]). An augmented second also appears in the [[diminished seventh chord]] (in [[First inversion|1st]], [[Second inversion|2nd]], and [[Third inversion|3rd inversion]]) between the diminished seventh and the root, and in the [[German sixth chord]] between the {{music|flat}}{{music|scale|3}} and {{music|sharp}}{{music|scale|4}} degrees.