As mentioned already, I believe it’s the fact that this chord scales are quite short that makes it easy to pick chords by ear. It’s really an essential skill because it allows you to memorize and play a huge array of chords quickly.
Once you know a bit about chords, it’s easy to pick up the melodies and songs that are most common in each of those scales.
It’s also not an issue for any guitarist who never plays guitar. Just pick up a chord book and memorize one or two chords in the key of F and you’ll soon be able to play songs with ease like the one below by the British band, The Beatles.
In this case, we’re going to use the blues scale which is the same scale as the one below.
So let’s learn them in ascending order starting with the root note:
Let’s take a look at the blues scale in the key of D before moving on to the scale for the whole tune.
Dmaj7 – D Gm7 – Em7 – Ab7
D – F – G – Bb7 – F♯
D – Fmaj7 – F♯m7 – Em7 – Ab7
D – Fmaj7 – F♯m7 – F♯m7 – E7
D – Fmaj7 – Fm7 – F7 – Eb
D – Gmaj7 – G – Bb7 – G♯
This is just an example of one of the blues scales. Let’s see a lot of blues scales.
The first scale is called the scale of the root note (which is the note at the end of the string which we’re playing with the guitar).
The second scale is called the scale of the 4th string (the note of the second fret).
The third scale is called the scale of the 3rd string (the note of the first fret).
The fourth scale is called the scale on the 6th string.
The 5th scale is called the scale of the fifth string.
The 2nd scale is called the scale of the 2nd fret.
The 3rd scale is called the scale on the 5th string.
The 4th scale is called the scale on the 6th string.
Learning those scales in different keys and positions is essential so that you get good at picking chords
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