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Round Midnight 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 G (ascending unison), G to F (descending whole step), F to C (descending perfect fourth), C to E (ascending major third), E to C (descending major third), C to G (descending perfect fourth), G to D (descending perfect fourth), D to G# (ascending tritone), G# to D# (descending perfect fourth), D# to C (descending minor third), C to B (descending half step), B to A# (descending half step), A# to D# (ascending perfect fourth), D# to D (descending half step), D to A (descending perfect fourth), A to A (ascending unison), A to A (ascending unison), A to G (descending whole step), G to A (ascending whole step), A to D (ascending perfect fourth), D to C (descending whole step), C to D (ascending whole step), D to D# (ascending half step), D# to A# (descending 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 G by minor third.
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.