Do Re MiC D E

C'est Si Bon

Betti Henri4/4medium-swing

Chord Diagrams — C'est Si Bon in D (Guitar)

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C'est Si Bon in D

Key of D

D major is one of guitar's most resonant keys. The open D string acts as a droning root, and the open A string provides the fifth. This gives D-based strumming a wide, ringing quality that flatpicks and fingerpicks love. D is a beginner-level key on guitar because the open D and A strings provide a powerful bass foundation, and the open high E is the 2nd scale degree adding brightness. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to G (ascending perfect fourth), G to F# (descending half step), F# to B (ascending perfect fourth), B to D (ascending minor third), D to F# (ascending major third), F# to B (ascending perfect fourth), B to C (ascending half step), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to G (descending minor third), G to B (ascending major third), B to E (ascending perfect fourth), E to F (ascending half step), F to F# (ascending half step), F# to G (ascending half step). 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 G to E by minor third.

Scales for Improvisation

D 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, D Mixolydian adds the flat seventh for an authentic blues-rock edge.

medium-swing4/4 · 40 bars · Form: ABC

Chords: Em7, A7, Dmaj7, G7, F♯m7, B7, D6, F♯7, B7♭9, Cm7, F7, A♯maj7, Gm7, Bm7, E7, Fm7, F♯m7♭5, Gm6.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D