Comin' In On a Wing and a Prayer in G

Jimmy McHugh / Harold Adamson(1943)swing
Do Re MiC D E
A
B
A7/E
F♯dim7/A
D7/A

Chord Diagrams — Comin' In On a Wing and a Prayer in G (Guitar)

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Comin' In On a Wing and a Prayer 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 F (descending whole step), F to D (descending minor third), D to A (descending perfect fourth), A to G (descending whole step), G to G# (ascending half step), G# to D (ascending tritone), D to D# (ascending half step), D# to A (ascending tritone), A to F# (descending minor third), F# to D (descending major third), D to G (ascending perfect fourth), G to C (ascending perfect fourth), C to C (ascending unison), C to A (descending minor third), A to C# (ascending major third), C# to A (descending major third), A to D (ascending 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 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.

swing2/2 · 58 bars · Form: AB

Chords: G6, F7, D, A7, G7, G♯dim7, D/A, D♯dim7, A7/E, F♯dim7/A, D7, G, C6, C, A7♭5, C♯dim7, Am7, D7/A.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G