This post explores a unique guitar modal scale built from the following 7 notes:
D, E, F♯, A, B♭, C, C♯
Interval formula: 1, 2, 3, 5, ♭6, ♭7, 7

This scale blends major harmony with dominant and modal tension. It contains both major and minor triads, offering flexibility in harmonic interpretation:

• Major triads on D, F♯, and A
• Minor triads also on F♯ and A

The 3rd and 5th modes of this scale, rooted on F♯ and A, are especially interesting. Depending on context, they can function as either major or minor modal centers, with A suggesting a blues scale feel.

From a guitarist’s point of view, this guitar modal scale works particularly well in open 5th tunings, where each string is tuned to the root or fifth of the scale. This approach allows you to build neutral harmonic backdrops, giving your melodies more room to define the tonal character.

🎧 Audio Example
Here’s a rough demo that explores this scale on guitar. It’s not fully produced — just a way to hear how the scale functions in a real musical context.
▶️ Click here to listen

📄 PDF Breakdown
For a detailed harmonic breakdown — including triads, 7th chords (with and without 5ths), and interval analysis — download the scale summary here:
📥 Download the Guitar Modal Scale PDF

Blues Scale Major 7th ♭13

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