Ac-Dc Current in G#

Benny Goodman / Lionel Hampton / Charlie Christian(1937)swing
Do Re MiC D E
A
B
A♯m7/D♯

Chord Diagrams — Ac-Dc Current in G# (Guitar)

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FingerNoteDegree

Ac-Dc Current in G#

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 C# to G# (descending perfect fourth), G# to D# (descending perfect fourth), D# to A# (descending perfect fourth). 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 A# to C# by minor 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.

swing2/2 · 11 bars · Form: AB

Chords: C♯9, G♯6, D♯7, A♯m7/D♯.

Scales for Improvisation G# bebop, G# bebop major.

Diatonic chords: See all chords in the key of G#