Fender Jazz Bass with flatwound strings (1962 vintage pre-CBS)

Improvising around B flat and E flat on my refin '62 Fender Jazz Bass - slab fingerboard. Set-up with Thomastik-Infeld Jazz Flat-Wounds (Set JF344, gauge 0.043 to 0.100). Signal recorded DI via ULN-8 audio interface. https://pauldowning.net