Obsesión in G#

Obsesión in G#

Pedro Flores, el puertorriqueño que redefinió el bolero, compuso 'Obsesión' en 1934. Es uno de los grandes boleros del repertorio hispanoamericano: 'por alto esté el cielo en el mundo, por hondo que sea el mar profundo'. Trío Los Panchos, Luis Miguel y cientos de intérpretes la han grabado. El Bbmaj7-Bbm del puente — el recurso de la sombra modal — da a este bolero en Fa mayor su dimensión de obsesión verdadera.

Obsesión in G#

G# major (or Ab) lives at fret 4 on the low E string. All chords require barre technique, making it less common in guitar-centric songwriting but standard in piano-driven pop. Guitarists often use a capo to access friendlier shapes. G# is a intermediate-advanced-level key on guitar because the open G string is a half step below the root, creating dissonance — avoid letting it ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

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

Scales for Improvisation

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