E Diminished Scale (Half-Whole)

Notes in the E Diminished Scale (Half-Whole)

Interval Pattern

Chords Built on Scale Degrees

Key Signature

4 ♯ — The E key signature uses F♯, C♯, G♯, D♯.

E Diminished Scale (Half-Whole) in Practice

The E Diminished Scale (Half-Whole) uses the key signature of 4 sharps (F♯, C♯, G♯, D♯). E major has four sharps and a powerful, resonant sound particularly suited to guitar. It is one of the most common keys in rock and blues music. On guitar, E positions offer open-string resonance for fingering positions for this scale.

The half-whole diminished scale alternates half and whole steps, creating an 8-note symmetrical scale ideal for dominant chord improvisation and tension-building in jazz. When played starting on E, the 8 notes are E, F, G, G♯, A♯, B, C♯, D. In this key the signature has 4 sharps (F♯, C♯, G♯, D♯). E is the lowest open string on standard-tuned guitar and bass, making it the most resonant key for rock and metal power chord riffs. Jazz guitarists use E for bossa nova and smooth jazz because the open low E provides a warm bass foundation beneath complex chord voicings.

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

Related Scales

Guitar: E Diminished Scale (Half-Whole) Positions

The E key offers 4 sharps (F♯, C♯, G♯, D♯) on guitar. Sharp-side keys like E are idiomatic guitar keys because open strings (E, A, D, G, B, E) align with the scale's natural resonance points.