B7♯5
B7♯5 is the b dominant 7th sharp 5 chord, spelled B – D♯ – G – A. the augmented dominant — the raised fifth leans hard into the resolution a fifth below.
The keys
B – D♯ – G – A
Practise this chord
Plug in your MIDI keyboard and let Coach Tshepho drill you on B7♯5 — it plays the chord, names any wrong notes as you play, and moves you on when you nail it.
Create your free account →What's inside B7♯5
| Note | Interval from root | Degree |
|---|---|---|
| B | Root | 1 |
| D♯ | Major 3rd | 3 |
| G (spelled F♯♯) | Augmented 5th | #5 |
| A | Minor 7th | b7 |
Inversions
| Position | Keys (low → high) |
|---|---|
| Root position | B4 – E♭5 – G5 – A5 |
| 1st inversion | E♭5 – G5 – A5 – B5 |
| 2nd inversion | G5 – A5 – B5 – E♭6 |
| 3rd inversion | A5 – B5 – E♭6 – G6 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | B2 – A3 |
| Right (colour) | E♭5 – G5 |
Where B7♯5 lives
Hard resolution
B7♯5 → Em9
Altered dominants resolve with maximum drama — especially into minor.
Chromatic approach
G♭m7 → B7♯5 → E
The alteration sharpens the pull of the standard two-five.
Put B7♯5 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →More B chords
B
Bm
Bdim
Baug
Bsus2
Bsus4
B6
Bm6
B7
Bmaj7
Bm7
Bm7♭5
Bdim7
Bm(maj7)
B9
Bmaj9
Bm9
Badd9
B6/9
Bm11
B13
B7♭9
B7♯9Play it over a groove
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