E major (musical key)

Construction and common chords

The E major scale is built from the sequence of whole and half steps defining any major scale, giving the pitch collection E–F#–G#–A–B–C#–D#–E. From these scale degrees the diatonic triads most commonly used in tonal harmony are:

• I – E major (tonic)
• II – F# minor (supertonic)
• III – G# minor (mediant)
• IV – A major (subdominant)
• V – B major (dominant)
• VI – C# minor (submediant)
• VII – D# diminished (leading-tone)

Typical harmonic motion emphasizes the dominant B major and the close relationship with its relative minor, C# minor. Composers exploit the key's bright sonority and its ability to support strong tonic-dominant contrasts.

Instruments and practical considerations

E major is particularly idiomatic for instruments that benefit from open strings at E and A. For example, the violin family often finds E major resonant and easy to tune because the instrument's open strings include E and A; passages on the E string can be played with a bright, ringing quality. The guitar in standard tuning (E–A–D–G–B–E) also handles E major comfortably, allowing frequent use of open strings and power chords; see guitar technique references for common practice.

By contrast, some wind and brass instruments find E major less convenient. Many transposing woodwinds require alternative parts to simplify fingering: for instance, orchestral practice often uses clarinets in A rather than clarinets in B-flat to make passages in E major easier to play, because of how those instruments transpose (clarinets and transposition).

Repertoire and historical notes

Although symphonies written in E major are uncommon in the standard orchestral repertory (symphonies), the key is widely used in solo concertos and chamber works. E major's brilliance and projection make it a favorite for violin concertos and virtuosic solo writing. It appears frequently in concertos (concertos), and a well-known example is the Violin Concerto by Felix Mendelssohn, the commonly performed Violin Concerto, which exploits the violin's facility in this key.

Notable facts and distinctions

Among notable real-world uses, the bells of the Clock Tower at the Palace of Westminster in London are traditionally tuned to pitches corresponding to E major, producing a familiar tonal reference for the civic soundscape (Clock Tower). The placement of E major on the circle of fifths (four sharps) also explains its relationship to neighboring keys like B major and A major, and its practical choice by composers and performers.

In summary, E major is a bright, resonant key that combines theoretical clarity with practical implications for instrumental technique and repertoire. Its suitability varies by instrument: excellent for strings and guitar, convenient for certain transpositions of wind parts, and often chosen when composers want a clear, projecting tonality for soloists and ensemble writing.