The E♯ power chord (E sharp fifth) combines the root note E♯ with its perfect fifth B♯, creating the characteristically bold two-note voicing that defines power chords across rock and metal genres. Though E♯5 is enharmonically equivalent to F5, this spelling appears in specific musical contexts and theoretical frameworks. Like all power chords, E♯5 omits the third interval, resulting in a neutral, powerful sound that works over both major and minor harmonic foundations. This ambiguous quality makes E♯5 particularly effective in distorted guitar settings, where it maintains clarity and punch that would be lost with more complex chord voicings. Though enharmonically identical to F5, the E♯5 spelling appears specifically in pieces written in F♯ major, C♯ major, or G♯ major—contexts rare in rock but present in progressive metal bands like Dream Theater who embrace complex key signatures. Understanding this theoretical distinction demonstrates advanced musical literacy, as functional harmony sometimes requires this spelling to maintain proper scale degree relationships. Practically speaking, guitarists will finger this identically to F5 (1st fret on the E string or 8th fret on the A string), but recognizing when to call it E♯5 versus F5 reveals deeper theoretical knowledge valuable for session work and composition.
Scale degrees of each note in the E♯ Fifth chord.
| Note | Number | Name |
|---|---|---|
| E♯ | 1 | Tonic |
| B♯ | 5 | Dominant |
Intervals from the root note of the E♯ Fifth chord.
| Notes | Semitones | Interval |
|---|---|---|
| E♯ → E♯ | 0 | Perfect Unison (P1) |
| E♯ → B♯ | 7 | Perfect 5th (P5) |
Explore chords that share the same key as the E♯ Fifth chord.