Do Re MiC D E

Locomotion

Coltrane John4/4up-tempo-swing

Chord Diagrams — Locomotion in G (Guitar)

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Locomotion 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 perfect fourth), C to A (descending minor third), A to D (ascending perfect fourth), D to F (ascending minor third), F to E (descending half step), E to D# (descending half step), D# to G (ascending major third), G to F (descending whole step), F to D# (descending whole step), D# to B (descending major third), B to A (descending whole step), A to G# (descending half step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The mix of stepwise and leap motion balances smoothness with harmonic drive. When the progression loops, the bass returns from G# to G by half step.

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.

up-tempo-swing4/4 · 56 bars · Form: ABA

Chords: G7, C7, Am7, D7, F7, E7, D♯7, G7♭5, F7♭5, D♯7♭5, B7♭5, A7♭5, G♯7/F.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G