When it comes to guitar chords, it all begins with basic ... the fourth chord is a maj7 (Fmaj7) and the fifth chord is a dominant 7th (G7). So, using the roman numeral system that is so favoured ...

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 ...