Do Re MiC D E

I'm An Old Cowhand

Mercer Johnny4/4medium-swing

Chord Diagrams — I'm An Old Cowhand in D (Guitar)

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I'm An Old Cowhand 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 B (descending minor third), B to F# (descending perfect fourth), F# to G# (ascending whole step), G# to C# (ascending perfect fourth), C# to B (descending whole step). 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 B to E by perfect fourth.

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 · 18 bars · Form: A

Chords: Em7, A7, D6, Bm, F♯m, G♯m7♭5, C♯7♭9, B7.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D