Ac-Dc Current in G

Benny Goodman / Lionel Hampton / Charlie Christian(1937)swing
Do Re MiC D E
A
B
Am7/D

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

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Ac-Dc Current in G

Key of G

G major is the singer-songwriter's key. The open G, B, and D strings spell out the full G major triad with zero fretting. Add the open high E for a Gadd6 shimmer. Nearly every diatonic chord (Em, Am, C, D) has a comfortable open voicing. G is a beginner-level key on guitar because the open G, B, and D strings form a complete G major triad without fretting a single note, and the open low E adds a rich 6th color. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

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: C9, G6, D7, Am7/D.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G