B7sus4 chord
B dominant seventh suspended fourth
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The B7sus4 chord has the intervals I, IV, V, vii. The seventh suspended fourth chord is a variation of the suspended fourth chord, meaning that it does not have a third and sounds open. This chord can be used to prepare for a resolution down toward a third.
Matching Scales: B Minor B Blues B Minor Pentatonic E Major E Minor E Harmonic Minor F# Minor F# Blues F# Minor Pentatonic A Major