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Body And Soul in G#
Body And Soul in G# — immortalized by Coleman Hawkins, famous for its enharmonic modulation to the tritone key in the bridge. Lydian Dominant colors the bridge dominants; Bebop Major rules the outer sections. Changes: A#m7 – F7b9 – A7 – G#Maj7 – C#7 – Cm7 – Bdim7 – Gm7b5 – C7 – Fm7 – A#7 – D#7 – G#6 – F7 – G# – E7 – AMaj7 – Bm7 – Dm7 – G7 – C#m7 – F#m7 – Am7 – D7 – GMaj7 – A#dim7 – F#7.
Key of G#
G# major (or Ab) lives at fret 4 on the low E string. All chords require barre technique, making it less common in guitar-centric songwriting but standard in piano-driven pop. Guitarists often use a capo to access friendlier shapes. G# is a intermediate-advanced-level key on guitar because the open G string is a half step below the root, creating dissonance — avoid letting it ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.
Voice Leading
The bass line moves through A# to F (descending perfect fourth), F to A (ascending major third), A to G# (descending half step), G# to C# (ascending perfect fourth), C# to C (descending half step), C to B (descending half step), B to G (descending major third), G to C (ascending perfect fourth), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to D# (ascending perfect fourth), D# to G# (ascending perfect fourth), G# to F (descending minor third), F to G# (ascending minor third), G# to E (descending major third), E to A (ascending perfect fourth), A to B (ascending whole step), B to D (ascending minor third), D to G (ascending perfect fourth), G to C# (ascending tritone), C# to F# (ascending perfect fourth), F# to A (ascending minor third), A to D (ascending perfect fourth), D to G (ascending perfect fourth), G to A# (ascending minor third), A# to F# (descending major third). 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 F# to A# by major third.
Scales for Improvisation
G# 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, G# Mixolydian adds the flat seventh for an authentic blues-rock edge.