The dominant seventh of a V chord can be shown by the symbol V7. For example, G7 is made by taking the major triad of G (G - B - D) and adding an F (G - B - D - F). A cadence is formed by two ...

Altered chords contain non-diatonic notes – that is ... Next, we have the b7th (F) and the major 3rd (B). All fairly standard apart from the omitted 5th. The b5th (Db) is where the alteration ...