Christopher Columbus in D

C. Berry / A. Razaf(1936)swing

Christopher Columbus 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 A to A# (ascending half step), A# to B (ascending half step), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to F (descending major third), F to C# (descending major third), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to F# (descending 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 F# to A 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.

swing4/4 · 48 bars · Form: A

Chords: A, A♯dim, Bm7, E7, Adim, F7, C♯7, F♯7, B9, F♯dim.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D