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Bohemian Rhapsody 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 E (ascending whole step), E to A (ascending perfect fourth), A to E (descending perfect fourth), E to D (descending whole step), D to B (descending minor third), B to D (ascending minor third), D to G (ascending perfect fourth), G to E (descending minor third), E to C# (descending minor third), C# to D# (ascending whole step), D# to D (descending half step), D to A (descending perfect fourth), A to F (descending major third), F to A (ascending major third), A to G (descending whole step), G to D# (descending major third), D# to A (ascending tritone), A to A (ascending unison), A to D (ascending perfect fourth), D to A (descending perfect fourth), A to C (ascending minor third), C to C (ascending unison), C to A (descending minor third), A to G (descending whole step), G to B (ascending major third), B to D (ascending minor third), D to F (ascending minor third), F to F (ascending unison), F to C# (descending major third), C# to F# (ascending perfect fourth), F# to C (ascending tritone), C to F (ascending perfect fourth), F to G# (ascending minor third), G# to E (descending major third), E to C# (descending minor third), C# to D# (ascending whole step), D# to G (ascending major third), G to A (ascending whole step), A to A# (ascending half step), A# to A# (ascending unison), A# to D# (ascending perfect fourth), D# to A# (descending perfect fourth), A# to D (ascending major third), D to B (descending minor third), B to B (ascending unison), B to C (ascending half step), C to C (ascending unison). 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.