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B augmented chord (Baug)

B augmented is a 3-note augmented chord: B – D♯ – F𝄪. It sounds mysterious and suspenseful. Here it is on guitar, piano and ukulele, with fingering and audio.

  • NotesB – D♯ – F𝄪
  • Formula1 – 3 – ♯5
  • SymbolBaug · B+ · B♯5
  • TypeAugmented chord

B augmented on guitar

  • ××1423BF𝄪BD♯
    Fret 2 (A shape)
  • 7××1423BBD♯F𝄪
    Fret 7 (E shape)

How to place your fingers (fret 2)

  1. Finger 1 (index) on fret 2 of the 5th string (A).
  2. Finger 4 (pinky) on fret 5 of the 4th string (D).
  3. Finger 2 (middle) on fret 4 of the 3rd string (G).
  4. Finger 3 (ring) on fret 4 of the 2nd string (B).
  5. Do not play the 6th and 1st strings: strum from the 5th string.

The numbers inside the dots are the fingers of your left hand: 1 index, 2 middle, 3 ring and 4 pinky. The colored dots mark the root (B). The other positions let you change chords without jumping along the neck, or give you a higher-pitched sound.

B augmented on piano

BF𝄪D♯

In root position, play B – D♯ – F𝄪 from bottom to top with fingers 1, 3 and 5 of your right hand (thumb, middle and pinky). With your left hand you usually play just the root (B) or the root and the fifth.

Inversions

  • First inversion: D♯ – F𝄪 – B
  • Second inversion: F𝄪 – B – D♯

B augmented on ukulele

  • F𝄪D♯F𝄪B
    Open position
  • 3BD♯F𝄪D♯
    From fret 3

Standard tuning G – C – E – A (the G string is the high one). Is your ukulele in tune? Use the ukulele tuner.

Notes and intervals of B augmented

  • B1 · root
  • D♯3 · major third
  • F𝄪♯5 · augmented fifth

It appears as a passing chord (for example I → I augmented → vi) and in intros to ballads and boleros.

F𝄪 sounds the same as G, but in theory it is spelled this way because each note of the chord takes its own letter (C, E, G…). On guitar and piano you play exactly the same key or fret.

Progressions with Baug

Chromatic passing chord: I – I+ – IV

The fifth, raised a half step, pulls toward the fourth degree.

Frequently asked questions

What notes are in the B augmented chord?

B augmented (Baug) has 3 notes: B (root), D♯ (major third), F𝄪 (augmented fifth). F𝄪 sounds the same as G, but it's written this way because it functions as an augmented fifth.

How do you play B augmented on guitar?

The most common shape starts at fret 2: x 2 5 4 4 x (from the 6th to the 1st string). Finger 1 (index) on fret 2 of the 5th string (A). Finger 4 (pinky) on fret 5 of the 4th string (D). Finger 2 (middle) on fret 4 of the 3rd string (G). Finger 3 (ring) on fret 4 of the 2nd string (B). Don't play the 6th and 1st strings: strum from the 5th.

How do you write B augmented in chord notation?

It is written Baug; you may also see B+ or B♯5. Letter notation uses the note names C, D, E, F, G, A, and B.

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