Nuestro Juramento in F
Nuestro Juramento in F
Benicio Palacios Salas compuso 'Nuestro Juramento' en Ecuador en 1953. Julio Jaramillo la popularizó y se convirtió en el bolero más importante de Ecuador y uno de los más queridos del continente. 'Juro que jamás volveré a besar unos labios como los tuyos' — la letra es el arquetipo del juramento imposible. El Cm-G7 fluye con la gravedad de un bolero ecuatorial; el puente en Eb mayor es el momento en que el juramento aún parece posible antes de que el Cm lo deshaga.
Nuestro Juramento in F
F major is the gateway to barre chords. While F itself requires a full barre at fret 1, the remaining diatonic chords (C, Dm, Am, G, Bb) mix open and barre shapes. The open high E acts as Fmaj7's seventh, adding unexpected richness. F is a intermediate-level key on guitar because the open high E string is the major seventh of F, creating a lush Fmaj7 resonance even in basic shapes, but the F barre chord itself is the first big hurdle for beginners. This key mixes open and barre shapes, making it a good intermediate challenge that builds fretboard fluency.
Voice Leading
The bass line moves through F to C (descending perfect fourth), C to A# (descending whole step), A# to G# (descending whole step), G# to D# (descending perfect fourth), D# to C# (descending whole step). The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from C# to F by major third.
Scales for Improvisation
F 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, F Mixolydian adds the flat seventh for an authentic blues-rock edge.