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Learn the B Dominant 7th Chord on PianoB7Dominant 7th

Blues and jazz standard

Chord Information

Learn how to play B7 on piano

Notes in Chord

B
D#
F#
A

Intervals

1
M3
P5
m7

Inversion

Notes (bottom to top): B4 - D#5 - F#5 - A5

Right Hand Fingering

Fingers: 1-2-3-5
1=thumb, 2=index
3=middle, 4=ring, 5=pinky

Interactive Piano

Click the highlighted keys to play the B7 chord

Click any key to load sounds
B
C
D
E
F
G
A
C#
D#
F#
G#
A#

About the B7 Chord

The B7 chord has a distinctive brightness and urgency that makes it stand out among dominant sevenths. Built from B-D#-F#-A, this chord is the dominant of E major—a key that sparkles with clarity and definition. When B7 resolves to E, the effect is crisp and decisive, like sunlight breaking through clouds.

B7 plays a crucial role in rock and pop music, often appearing as a secondary dominant that adds drama to chord progressions. In the key of A, B7 serves as V7/V, creating a mini-detour that makes the eventual arrival at E (and then A) feel more satisfying. This technique appears in countless songs.

On piano, B7 has an interesting physical layout with B and A on white keys flanking D# and F# on black keys. This alternating pattern creates a distinctive feel under the fingers. Once internalized, B7 becomes easy to locate by touch alone, making it valuable for improvisers and accompanists.

Music Theory & Usage

B7 is the V7 chord in E major, a key common in rock and pop due to its bright, clear quality. The resolution B7-E has a definitive character that works well for musical conclusions. In classical music, E major was a favored key for violin concertos, making B7 essential for that repertoire.

As a secondary dominant, B7 is incredibly useful. In G major, B7 is V7/vi, leading to Em. In A major, B7 is V7/V, creating a path to E. In D major, B7 can function as V7/ii, pointing toward Em. This versatility makes B7 appear in many different harmonic contexts.

Famous Songs Using B7

Hear how professional musicians use the B7 chord in these well-known songs:

I Want to Hold Your Hand

by The Beatles

Uses B7 as a secondary dominant in its verse progression

Norwegian Wood

by The Beatles

Features B7 in its folk-influenced chord structure

Heart of Gold

by Neil Young

B7 appears in the harmonic progression

Eight Days a Week

by The Beatles

Uses B7 in the bridge section

How to Play B7 on Piano

  1. Place your thumb on B.
  2. Place your index finger on D#.
  3. Place your middle finger on F#.
  4. Place your pinky finger on A.
  5. Press all keys simultaneously to hear the B7 chord.

Recommended fingering: 1-2-3-5 (right hand)

B7 Chord Inversions

The B7 chord can be played in different inversions:

Root Position

B - D# - F# - A (bass note: B)

First Inversion

D# - F# - A - B (bass note: D#)

Second Inversion

F# - A - B - D# (bass note: F#)

Common Chord Progressions Using B7

ii-V-I Jazz Progression

Common chord progression

C#m7B7F#maj7

I-vi-ii-V Progression

Common chord progression

F#maj7D#m7C#m7B7

Practice Tips for B7

  • Start slowly and focus on pressing all keys simultaneously for a clean sound.
  • Practice transitioning between B7 and other common chords to build muscle memory.
  • Listen carefully to how the seventh interval creates tension and color in the chord.
  • Practice resolving this chord to its natural target chords in progressions.

Frequently Asked Questions about B7

What notes are in B7?

B7 contains B (root), D# (major 3rd), F# (perfect 5th), and A (minor 7th). The A adds the dominant seventh character—the tension that makes B7 want to resolve to E major.

What makes B7 sound so bright?

B7's brightness comes from its placement in the register and its strong resolution to E major. E major itself is a bright key (think of its use in guitar-based rock). The D# in B7 is a leading tone with strong upward pull, contributing to the chord's energetic character.

What key does B7 resolve to?

B7 naturally resolves to E major or E minor. The D# pulls up to E, while A pulls down to G#. This creates a satisfying resolution that establishes E as a tonal center.

How is B7 used in Beatles songs?

The Beatles used B7 frequently as a secondary dominant, adding harmonic color to progressions in keys like D, G, and A. It creates momentary tension before resolving, often to Em or through E to A. This technique became a hallmark of their songwriting.

Quick Reference

Root NoteB
Qualitydominant7
NotesB-D#-F#-A
Fingering1-2-3-5
Categoryseventh

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