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Windows in B
Chick Corea's post-bop composition layers Lydian Dominant tension and Bebop Major clarity over a fluid B architecture. Dorian inflections soften the dominant color and give improvisers multiple entry points for expressive phrase building. Study the Bm7 – G#m7b5 – C#7 – F#m7 – D7sus4 – Emaj7#11 – G#7 – A7 – Emaj7 – Emaj7/D# – C#m7 – C#m7/B – A#m7b5 – A#m7b5/Ab – D#7/G – D#7 – G#m7 – G#m7/Gb – C#7/F – D#m7 – C7#11 – Bmaj7 changes to develop sophisticated vocabulary for post-bop major/dominant 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 B to G# (descending minor third), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to D (descending major third), D to E (ascending whole step), E to G# (ascending major third), G# to A (ascending half step), A to E (descending perfect fourth), E to E (ascending unison), E to C# (descending minor third), C# to C# (ascending unison), C# to A# (descending minor third), A# to A# (ascending unison), A# to D# (ascending perfect fourth), D# to D# (ascending unison), D# to G# (ascending perfect fourth), G# to G# (ascending unison), G# to C# (ascending perfect fourth), C# to D# (ascending whole step), D# to C (descending minor third), C to B (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 B to B by unison.
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.