The B7 chord
The B7 chord is built from B, D#, F#, A. With notation, piano keyboard, guitar and ukulele shapes.
In notation
Major with a minor seventh. The chord that pulls home — the backbone of blues and cadence.
Intervals from the root
Piano
Guitar
Ukulele
Related pages
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See AnotonaEvery note on this page is computed, not typed in — following the rule that also makes F# major spell its seventh degree E#, not F.