The A minor diatonic scale is one of the most useful scales for guitar players—especially if you already know your pentatonic patterns. It’s built by adding just two notes (B and F) to the A minor pentatonic scale you probably already play. These “color notes” give you more melodic options and open up the full sound of the minor key.

Diatonic Minor Scale for Guitar

What Does “Diatonic” Mean?

Diatonic simply means “using all seven notes within a key.” The pentatonic scale uses five notes (penta = five), while the diatonic scale uses all seven natural notes. In A minor, that’s: A, B, C, D, E, F, G.

When you add those two extra notes (the II and VI scale degrees—B and F in A minor) to your pentatonic patterns, you get the complete diatonic minor scale. If you’re not familiar with scale degrees like II and VI, check out my lesson on I, IV and V—it’s fundamental stuff that really opens up the fretboard.

Why the Minor Scale Matters More Than Major

Most guitar teachers start students with major scales (usually C major), but that’s because they’re thinking like piano teachers. The guitar is naturally minor-friendly—the open strings, common chord shapes, and natural hand positions all favor minor tonalities.

Besides, A minor is the first scale that was ever invented. Not C major.

How do I know that?

Simple. When you start counting your marbles, do you start at 3? Nope, you start at 1.

So the first scale was: A, B, C, D, E, F, G.

NOT C, D, E, F, G, A, B—that just wouldn’t make sense, would it?

How to Practice This Scale

Start by playing through the pattern shown in the diagram. If you’re comfortable with the A minor pentatonic at the 5th position, you’ll recognize the shape—you’re just filling in the gaps with those two extra notes.

Practice the scale ascending and descending until the fingering feels natural. Then start creating melodies by targeting those color notes (B and F). They add tension and resolution that the pentatonic scale doesn’t give you.

Take It Further

If you’d like to learn how guitar scales fit together all across the fretboard—not just in one position—check out my guitar scales guide course. It shows you how to connect these shapes and solo anywhere on the neck.

And for more scales, check out my complete guide to guitar scales.

Questions about the diatonic minor scale? Leave a comment below, and make sure you add this pattern to your daily practice routine!