Countless classics have been written from simple Ionian chord progressions and here’s one of the most common – the I-IV-V ...
Triads can be indicated by Roman numerals of the degrees of the scale. In the jazz styles of Gershwin and Kern, the dominant seventh was often substituted with an augmented chord.This gave the ...
Chords are numbered in Roman numerals. For example, in the scale of C major, the chords are numbered like this: An added 6th is a major triad with the addition of a 6th note above the root.