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Bohemian Rhapsody in A
Key of A
A major is a rock and blues cornerstone. The open A string delivers a strong root, while both E strings ring as the fifth. Classic A-D-E progressions practically play themselves with open cowboy chords. The open high E is the fifth, reinforcing power. A is a beginner-level key on guitar because the open A string is the root and the open E strings provide the fifth above and below, creating a massive low-end anchor. Beginners will find this key approachable since most chords use open voicings with minimal stretching.
Voice Leading
The bass line moves through A to B (ascending whole step), B to E (ascending perfect fourth), E to B (descending perfect fourth), B to A (descending whole step), A to F# (descending minor third), F# to A (ascending minor third), A to D (ascending perfect fourth), D to B (descending minor third), B to G# (descending minor third), G# to A# (ascending whole step), A# to A (descending half step), A to E (descending perfect fourth), E to C (descending major third), C to E (ascending major third), E to D (descending whole step), D to A# (descending major third), A# to E (ascending tritone), E to E (ascending unison), E to A (ascending perfect fourth), A to E (descending perfect fourth), E to G (ascending minor third), G to G (ascending unison), G to E (descending minor third), E to D (descending whole step), D to F# (ascending major third), F# to A (ascending minor third), A to C (ascending minor third), C to C (ascending unison), C to G# (descending major third), G# to C# (ascending perfect fourth), C# to G (ascending tritone), G to C (ascending perfect fourth), C to D# (ascending minor third), D# to B (descending major third), B to G# (descending minor third), G# to A# (ascending whole step), A# to D (ascending major third), D to E (ascending whole step), E to F (ascending half step), F to F (ascending unison), F to A# (ascending perfect fourth), A# to F (descending perfect fourth), F to A (ascending major third), A to F# (descending minor third), F# to F# (ascending unison), F# to G (ascending half step), G to G (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 G to A by whole step.
Scales for Improvisation
A 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, A Mixolydian adds the flat seventh for an authentic blues-rock edge.