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A Night In Tunisia in B
A Night In Tunisia in B — Dizzy Gillespie's Afro-Cuban landmark built on Phrygian Dominant, the scale that evokes North African atmosphere. Harmonic Minor over the minor sections completes the exotic modal palette. Changes: C7 – Bm6 – C#m7b5 – F#7b9 – Bm – F#m7b5 – B7b9 – Em7 – Em7b5 – A7b9 – Dmaj7 – C7#11 – Bm7 – E7#11 – EmMaj7 – D#7#9.
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 C to B (descending half step), B to C# (ascending whole step), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to F# (descending perfect fourth), F# to B (ascending perfect fourth), B to E (ascending perfect fourth), E to E (ascending unison), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to C (descending whole step), C to B (descending half step), B to E (ascending perfect fourth), E to E (ascending unison), E to D# (descending half step). 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 D# to C 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.