Do Re MiC D E

My Lucky Star

DeSylva-Brown-Henderson4/4medium-swing

Chord Diagrams — My Lucky Star in B (Guitar)

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My Lucky Star in B

Key of B

B major mixes barre and open elements. The B chord itself is a barre at fret 2, but E and A are comfortable open chords forming the IV and V. The open B string rings as the root, allowing creative drone-based arrangements. B is a intermediate-level key on guitar because the open B string rings as the root and the open E strings provide the 4th — useful for sus4 voicings and drone effects. This key mixes open and barre shapes, making it a good intermediate challenge that builds fretboard fluency.

Voice Leading

The bass line moves through E to B (descending perfect fourth), B to E (ascending perfect fourth), E to G# (ascending major third), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to F# (descending perfect fourth), F# to C# (descending perfect fourth), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to G# (descending minor third), G# to C# (ascending perfect fourth), C# to G (ascending tritone), G to D (descending perfect fourth). 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 D to E by whole step.

Scales for Improvisation

B 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, B Mixolydian adds the flat seventh for an authentic blues-rock edge.

medium-swing4/4 · 32 bars · Form: AB

Chords: E6, B7♯5, Emaj7, G♯m7, C♯7♭9, F♯m7, B7, F♯mMaj7, C♯m7, F♯7, B7sus4, G♯m7♭5, C♯7, G9, D7♯11.

Scales for Improvisation B bebop, B bebop major.

Diatonic chords: See all chords in the key of B