By a Waterfall in G

Sammy Fain / Irving Kahal(1933)swing
Do Re MiC D E
A

Chord Diagrams — By a Waterfall in G (Guitar)

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By a Waterfall 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 A to C (ascending minor third), C to E (ascending major third), E to D (descending whole step), D to F (ascending minor third), F to G (ascending whole step), G to C# (ascending tritone), C# to B (descending whole step), B to D# (ascending major third), D# to D# (ascending unison), D# to D (descending half step), D to D (ascending unison), D to G (ascending perfect fourth), G to A (ascending whole step), A to G (descending whole step), G to B (ascending major third), B to B (ascending unison), B to C (ascending half step), C to C (ascending unison), C to E (ascending major third), E to A (ascending perfect fourth). A half-step bass movement creates a strong leading-tone pull that demands resolution. The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from A to A by unison.

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 · 52 bars · Form: A

Chords: Am, C, E7, D7, F, G, C♯m7♭5, Bm7♭5, D♯, D♯7, D, Daug, GMaj7, A7, G7, B, Bm, CMaj7, Cm7, Em, A.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G