For the most part, kailangan magaling kang mag-poste -- in the pocket, tasty, and "greasy". Pero marami rin na magagaling na bahista marunong kumapa ng variations at licks para hindi mag "stagnate" yung groove.
Suggested listening:
Old school Classical style:
Willie Dixon (Himself, Muddy Waters, etc.)
Old School R&B:
James Jamerson (Funk Bros., orig. Motown Artists)
Bob Babbit (Funk Bros., orig. Motown Artists)
Newer School Classical Style:
Tommy Shannon (SRV)
Willie Weeks (Blues Bros., etc.)
Donald "Duck" Dunn (Booker T. & the MG's, Blues Bros.)
Berry Oakley or Allen Woody (Allman Bros.)
Modern Blues:
Roscoe Beck (Robben Ford)
Oteil Burbridge (Allman Bros.)
Nathan East (Eric Clapton)