B7 Chord on Piano
The B7 chord contains B, E♭, F# and A — 4 notes. Every one is marked across three octaves of the keyboard below, labelled with note names and with interval numbers.
- Root
- Major 3rd
- Perfect 5th
- Minor 7th
| Degree | 1 | 3 | 5 | ♭7 |
|---|---|---|---|---|
| Note | B | E♭ | F# | A |
| Interval | Root | Major 3rd | Perfect 5th | Minor 7th |
Note names
Interval numbers
Scales containing B Dominant 7th
| Major (Ionian) | E |
| Natural Minor (Aeolian) | D♭ |
| Dorian | F# |
| Phrygian | A♭ |
| Lydian | A |
| Mixolydian | B |
| Locrian | E♭ |
| Harmonic Lydian (Lydian ♭6) | G |
| Harmonic Minor | E |
| Melodic Minor | E F# |
| Melodic Minor ♯4 | C A |
| Gypsy Minor (Hungarian Minor) | E♭ |
| Dominant Pentatonic (Mixolydian Pentatonic) | B |
| Minor Sixth Pentatonic | F# |
| Dominant Diminished (M2) | D F A♭ B |
| Tcherepnin (M3) | D♭ F A |
Circle of fifths
Frequently asked questions
What notes are in the B7 chord?
B, E♭, F# and A. That is 4 notes.
How is the B7 chord built?
From a root of B: E♭ is the major 3rd, F# is the perfect 5th and A is the minor 7th.
Which scales contain the B7 chord?
E Major (Ionian), D♭ Natural Minor (Aeolian), F# Dorian and A♭ Phrygian, among others. Every note of the B7 chord is in those, so they can be played over it.
Which smaller chords are inside the B7 chord?
B Major, E♭ Diminished, B Power (5) and A Sus2 ♭5. Each uses only notes the B7 chord already contains.
Practice this on your own piano
Pianolytics listens to your instrument and drills triads, scales and chords.