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Wave in F
Wave in F — Jobim at his most harmonically refined, with elegant chromatic voice leading throughout. Lydian mode suits the floating tonic sections; Lydian Dominant captures the characteristic altered dominant sound. Changes: Fmaj7 – C#dim7 – Cm7 – F7b9 – A#maj7 – A#m6 – A13 – A7b13 – D9 – D7b9 – G9 – C#7 – C7 – Fm7 – A#7 – A#m7/Bb – D#7/Bb – G#maj7/A – G#m7/Ab – C#7/Ab – F#maj7/G – C7b9.
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 F to C# (descending major third), C# to C (descending half step), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to A# (ascending unison), A# to A (descending half step), A to A (ascending unison), A to D (ascending perfect fourth), D to D (ascending unison), D to G (ascending perfect fourth), G to C# (ascending tritone), C# to C (descending half step), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to A# (ascending unison), A# to D# (ascending perfect fourth), D# to G# (ascending perfect fourth), G# to G# (ascending unison), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to C (ascending tritone). 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 C to F by perfect fourth.
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.