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I Thought About You 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 F# to G (ascending half step), G to E (descending minor third), E to F (ascending half step), F to A# (ascending perfect fourth), A# to A (descending half step), A to A (ascending unison), A to A (ascending unison), A to B (ascending whole step), B to F# (descending perfect fourth), F# to E (descending whole step), E to G (ascending minor third), G to D (descending perfect fourth), D to C (descending whole step), C to C (ascending unison), C to F (ascending perfect fourth), F to C (descending perfect fourth), C to D (ascending whole step), D to F# (ascending major third), F# to C# (descending perfect fourth), C# to A# (descending minor third), A# to B (ascending half step), B to D (ascending minor third), D to E (ascending whole step), E to C (descending major third), C to C# (ascending half step). 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 F# 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.