Want to learn how to play a B dominant 7th chord? This complete guide shows you how to make and play a B dominant 7th chord on any instrument. Whether you're searching for "how to play b dom7", "b chord", or "how to make a b chord" - you'll find the notes, formula, and fingering diagrams you need.
How to Make & Play a B Dominant 7th Chord
Chord Formula
1 3 5 ♭7
Solfege Names
Si - Re# - Fa# - La
B Major Scale (Chord Formula Reference)
Steps: W W H W W W H
Chord formulas reference degrees from this scale (e.g., 1-3-5 = B-D#-F#)
How to Build a B Dominant 7th Chord: Step-by-Step
B Dominant 7th Chord Notes and Formula
Learn how to construct this chord using the chord formula
Start with the root note
Begin with B as your foundation note.
Apply the dominant 7th formula
Use the chord formula: 1 3 5 ♭7 (scale degrees from the major scale)
Result: B7 chord
Your complete chord contains: B, D#, F#, A
How to Play B Dominant 7th Chord on Guitar and Piano
Instrument Fingering Diagrams
Learn multiple ways to play the B dominant 7th chord on different instruments
How to Play B Dominant 7th on Guitar
To play a B dominant 7th chord on guitar, you'll need to fret the notes B, D#, F#, A. Click below to see multiple guitar chord shapes and fingering positions for the B dominant 7th chord.
How to Play B Dominant 7th on Piano
On piano, play the B dominant 7th chord by pressing the keys for B, D#, F#, A together. You can play this chord in any octave, and try different inversions by rearranging the note order while keeping all the chord tones.
Other Instruments
The B dominant 7th chord can be played on any instrument. Use the notes B, D#, F#, A as your guide.