'Tain't Nobody's Bizness If I Do in D

Porter Grainger / Everett Robbins(1922)swing
Do Re MiC D E
A
Aaug7
Aaug7

Chord Diagrams — 'Tain't Nobody's Bizness If I Do in D (Guitar)

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'Tain't Nobody's Bizness If I Do 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 D to F# (ascending major third), F# to B (ascending perfect fourth), B to D (ascending minor third), D to G (ascending perfect fourth), G to G# (ascending half step), G# to A (ascending half step), A to B (ascending whole step), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to G (descending whole step), G to E (descending minor third), E to F (ascending half step), F to D (descending minor third), D to C (descending whole 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 C to D by whole step.

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 · 32 bars · Form: A

Chords: D6, F♯7, Bm, D7, G7, G♯dim, A7, B7, E7, Aaug7, G, Em7, Fdim, D, C7.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D