Unforgettable in Si

Irving Gordon()swingModerately
A
B

Chord Diagrams — Unforgettable in Si (Guitar)

Unforgettable in Si

Unforgettable in Si

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 B to B (ascending unison), B to B (ascending unison), B to E (ascending perfect fourth), E to E (ascending unison), E to C# (descending minor third), C# to G# (descending perfect fourth), G# to A (ascending half step), A to A (ascending unison), A to G# (descending half step), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to F (descending half step), F to F# (ascending half step), F# to A (ascending minor third), A to F# (descending minor third), F# to B (ascending perfect fourth), B to F (ascending tritone), F to E (descending half step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The mix of stepwise and leap motion balances smoothness with harmonic drive. When the progression loops, the bass returns from E to B by perfect fourth.

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.

swing4/4 · 32 bars · Form: AB

Chords: Si, SiMaj7, Sidim7, Mi, MiMaj7, Do♯9, Sol♯m7, La6, Lam7, Sol♯m75-/b, Do♯7, Fa♯9, Fa7, Fa♯7, Lam, Fa♯m7, Si7, FaMaj7, Mi69.

Scales for Improvisation Si bebop, Si bebop major.