Ace in the Hole in B

Cole Porter(1941)swing
Do Re MiC D E
A
B/D♯
D♯m7♭5/A
C♯m7♭5/G

Chord Diagrams — Ace in the Hole in B (Guitar)

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Ace in the Hole in B

Key of B

B major mixes barre and open elements. The B chord itself is a barre at fret 2, but E and A are comfortable open chords forming the IV and V. The open B string rings as the root, allowing creative drone-based arrangements. B is a intermediate-level key on guitar because the open B string rings as the root and the open E strings provide the 4th — useful for sus4 voicings and drone effects. This key mixes open and barre shapes, making it a good intermediate challenge that builds fretboard fluency.

Voice Leading

The bass line moves through G# to A# (ascending whole step), A# to D# (ascending perfect fourth), D# to G# (ascending perfect fourth), G# to G# (ascending unison), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to F# (ascending unison), F# to B (ascending perfect fourth), B to C (ascending half step), C to A# (descending whole step), A# to F (descending perfect fourth), F to E (descending half step), E to B (descending perfect fourth), B to D# (ascending major third), D# to C# (descending whole step), C# to C# (ascending unison), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth). A half-step bass movement creates a strong leading-tone pull that demands resolution. The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from B to G# by minor third.

Scales for Improvisation

B major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Over dominant seventh chords, B Mixolydian adds the flat seventh for an authentic blues-rock edge.

swing2/2 · 32 bars · Form: A

Chords: G♯m, A♯7, D♯7, G♯7, G♯7♭9, C♯7, F♯7, F♯7♭9, B7, Cdim, A♯m7♭5, Fm7♭5, Edim, B/D♯, D♯m7♭5/A, C♯m7, C♯m7♭5/G, F♯sus4, B.

Scales for Improvisation B bebop, B bebop major.

Diatonic chords: See all chords in the key of B