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Spain in B
Chick Corea's flamenco-jazz tour de force builds its drama from Phrygian Dominant and Harmonic Minor tension over a powerful B minor vamp. Dorian inflections open broader modal space for soloists working through the composition's longer arcs. Master the Gmaj7#11 – F#7b13 – Em7 – A7 – Dmaj7 – C#7alt – Bm7 – B7 changes to develop command of Spanish-flavored harmony and modal interplay.
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 F# (descending half step), F# to E (descending whole step), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to C# (descending half step), C# to B (descending whole step), B to B (ascending unison). A half-step bass movement creates a strong leading-tone pull that demands resolution. The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from B to G by major 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.