Do Re MiC D E

Four Brothers

Jimmy Giuffre(1947)4/4swing

Chord Diagrams — Four Brothers in F (Guitar)

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Four Brothers in F

Key of 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 G to C (ascending perfect fourth), C to G (descending perfect fourth), G to F (descending whole step), F to D (descending minor third), D to A (descending perfect fourth), A to F (descending major third), F to D# (descending whole step), D# to A# (descending perfect fourth), A# to G# (descending whole step), G# to F# (descending whole step), F# to C# (descending perfect fourth), C# to B (descending whole step), B to E (ascending perfect fourth), E to B (descending perfect fourth), B to A# (descending half step), A# to A (descending half step). 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 A to G by whole step.

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.

swing4/4 · 26 bars · Form: AB

Chords: G7, C7, Gm7, FMaj7, D7, Am7, F6, D♯7, A♯m7, G♯Maj7, F♯7, C♯m7, BMaj7, E7, Bm7, A♯dim7, AMaj7.

Scales for Improvisation F bebop, F bebop major.

Diatonic chords: See all chords in the key of F