Major Chord Progression Chart. CDmEmFGAmBdim This example shows you chords in the key of C but this group of chords is found in every other major key as well. 3 Chord extentions - This part shown by placing a number after to the alphabet letter extends the colors of the chord by adding one or more notes above the triad.
Major chord is a single upper case letter. G C Em D. No matter what key were in the I.
Chords in a progression are almost always labelled with Roman Numerals based on where the note they start on falls in the scale of the main key.
Usually the bass note is the same letter name as the chord. Start on Bmaj7 and go left. Common chord progressions in the key of E major are as follows. I II or IV and V are the most used chords.