Summer Samba in G

Marcos Valle / Norman Gimbel / Paulo Sérgio Valle(1964)swing
Do Re MiC D E
A
B

Chord Diagrams — Summer Samba in G (Guitar)

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Summer Samba 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 C# (ascending tritone), C# to F# (ascending perfect fourth), F# to C (ascending tritone), C to F (ascending perfect fourth), F to B (ascending tritone), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to F# (descending minor third), F# to B (ascending perfect fourth), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to D# (ascending tritone), D# to D (descending half step), D to D (ascending unison), D to C (descending whole step), C to G (descending perfect fourth). 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 G to G 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 · 21 bars · Form: AB

Chords: GMaj7, C♯m7♭5, F♯7♯9, CMaj7, F7, Bm7, E7♭9, Am7, F♯m7♭5, B7♯9, Em7, A7, D♯7, D7, D7♭9, C7, G.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G