2) Find the key in the yellow row, if for example it is in A look down the column under A and you will see the chords Bm,C#m, D etc, these are the chords most commonly used in this key. Some songs be written in more than one key. A chord progression is a pattern of chords, belonging in the same chord key, played in a certain order to form songs. Turns out they will work out to be A, D, and E. All friendly chords! Other times most of the chords will be diatonic to a key, and the non-diatonic chords will be common enough. The chords in each key are like a family of chords that will sound like they belong together when played in a chord progression. To identify the key of a song by it's chords choose the chords below and see the highlighted slices on the circle of fifths to the right. But the chords will change depending on the key you're in. Now since you have excelled the Home chord of A Major, it is time to move on to the other triads that are used in this key. And the diminished chords are numbered in small letters followed by °. We ended our last installment with the key of B flat. Level: Advanced beginner and up. Author: Lee Nichols Creator of www.guitar-chords.or.uk. Check it out at Amazon.com. In this lesson, we'll use the concept of the 'one chord', the 'four chord', and the 'five chord' to figure out what the major chords are in the key of A. 1)Find what key your song is in, the best indication is to find what chord it ends on, this will nearly always be the key the song is in. In this installment we will cover the wonderful key of A. All you do is go through the major scale and play the full chord that goes with each note. Installment #6: The key of A This is the 6th installment of this article-designed to help the beginner/intermediate guitarist learn guitar chords, as they apply to each given key. Start making sense of chords, scales, modes and finding the key to help you be more creative on the guitar. A popular guitar chord progression is the I - IV - V progression. If there is more than one key that contains the selected chords it will display all relevant keys. Some songs move fluidly through different keys. And also remember the notation – Major chords are numbered in capital romans, while minor chords in small letters. Generally, any song containing any one or combination of those chords and only those chords is said to be in the key of C. For this reason, whenever you’re playing a song in the key of C, you’ll want to use notes from the C major scale in the melody lines and solos. Check it out at Amazon.co.uk (Sponsored Ad) Complete Guitar System - Beginner to Advanced . In the key of G major, that would be G major, A minor, B minor, C major, D major, E minor, F# diminished, G major. A good way to start memorizing these chords is by drilling chord scales in each key. One is usually easier than the other. Chords in the Key of C. Major Chords: C, F, G, Minor Chords: Dm, Em, Am. This searches all 12 possible keys for the selected chords (diatonically) and returns the keys with most matches. Primary Triads (Chords) of A Major.