Someone to Watch Over Me in G

George Gershwin / Ira Gershwin / Howard Dietz(1926)swing
Do Re MiC D E
A
B

Chord Diagrams — Someone to Watch Over Me in G (Guitar)

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Someone to Watch Over Me 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 G (ascending unison), G to A (ascending whole step), A to C (ascending minor third), C to A# (descending whole step), A# to D (ascending major third), D to G# (ascending tritone), G# to A (ascending half step), A to B (ascending whole step), B to C (ascending half step), C to C# (ascending half step), C# to B (descending whole step), B to E (ascending perfect fourth), E to C (descending major third), C to B (descending half step), B to E (ascending perfect fourth), E to F# (ascending whole step), F# to C (ascending tritone). 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 C 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 · 26 bars · Form: AB

Chords: G, G7, A, Cdim, A♯dim, D7, G♯dim, Am7, Bdim, C6, C♯m7♭5, B7, E7, C, Bm7, Em7, F♯7, C7.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G