Baug9 guitar chord
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About Baug9 — 2nd inversion
Baug9 is B, D#, F##, A and C#. Start with and raise the 5th from to raised 5th (F##). You’ll also see this chord written B9♯5 or B9(♯5).
Hear what that one-note change does by comparing with Baug9.
Hear the change
Only the 5th changes: F♯ rises a half step to F♯#. The other notes stay in place.
When Baug9 resolves to , that F##♯5 can rise another half step to .
Also written B9#5, B+9 or B9(#5).
What 2nd inversion means
Baug9 in 2nd inversion puts F## in the bass instead of B, the 5th of the chord. The notes are the same; what changes is what the bass line does, which is most of why you would reach for it — it lets the lowest voice move by step where the root would have jumped.
One of Baug9’s 10 shapes does this:x-10-11-8-10-x
How to use Baug9
Baug9 is a dominant with its tension raised, so it still points at — harder than a plain seventh does. A plain dominant has two voices a semitone from home; an altered one has four, because every altered tone is also sitting a semitone from a note of E. More voices leaning the same way is all "more tension" means here.
In a phrase:→→
The ii–V–I of E.
Voice by voice, Baug9 → . 3 voices move by a semitone, and one note is common to both chords. Those semitones are what the ear follows; the rest is the chord rearranging itself underneath.
| In Baug9 | Moves | In E |
|---|---|---|
| B, the root | stays where it is | B, the fifth |
| D#, the major third | rises a semitone | E, the root |
| G, the sharp fifth | rises a semitone | G#, the major third |
| A, the flat seventh | falls a semitone | G#, the major third |
| C#, the ninth | falls a whole tone | B, the fifth |
What to play over Baug9
Useful scales
- +E#
Contains Baug9 and adds flat fifth.
Chords near Baug9
Remove a note
Change one note
3rd inversion 3rd inversion
The common shapes and the derived voicings come from different places, and both are explained in how this site is built.