For All We Know in G

J. Fred Coots / Sam M. Lewis(1934)swing
Do Re MiC D E
A
Am7♭5/C♭
GMaj7/B
Am7♭5/C♭
G/B
E7sus4
C♭9♯11
D7sus4

Chord Diagrams — For All We Know in G (Guitar)

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For All We Know 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 G to A (ascending whole step), A to D (ascending perfect fourth), D to A (descending perfect fourth), A to G (descending whole step), G to B (ascending major third), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to G (descending whole step), G to A# (ascending minor third), A# to E (ascending tritone), E to A (ascending perfect fourth), A to G (descending whole step), G to C# (ascending tritone), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to F (ascending tritone), F to E (descending half step), E to E (ascending unison), E to Cb (descending major third), Cb to D (ascending whole 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 D to G by perfect fourth.

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.

swing4/4 · 33 bars · Form: A

Chords: G6, A9, D7, Am7, GMaj7, Bm7♭5, E7, Am7♭5/C♭, GMaj7/B, A♯dim7, Em7, A7, G/B, C♯m7♭5, F♯7, B7, F7, E7sus4, E7♭9, C♭9♯11, D7sus4.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G