F major is where jazz actually lives — horn keys, low roots, and a ii–V–I of Gm7, C7, Fmaj7 that sits beautifully under a 4-string’s hand. Same recipe as ever: chord tones own beats one through three, the approach note owns beat four.
Reading the line
The ii bar walks G, Bb, D and then re-sounds the Bb — this time as an approach, a whole step below C. It is the same pitch doing two different jobs in one bar, which is the walking mindset in miniature: notes are defined by where they are going. The C7 bar climbs C, E, G and then plunges to the open low E — the largest leap in the set — so the E can resolve up a half step into F. Let that low E ring its full beat; the drop-and-resolve is a signature move of real basslines, not a compromise. The final bars spell Fmaj7 low on the neck, E leading back to F, and close on the third-fret F an octave up.
Practicing it
The open-string moments are the lesson here: open E on an approach, open A available inside Fmaj7 — learn to trust them, because open strings are how a walking bassist breathes between positions. Compare each bar against the Gm7, C7, and Fmaj7 chord pages to see which tones the walk chose — then continue to the walk in G.