so i caught that thread on the rodney jones instructional book and purchased it. i am not a jazz guy so its always good for me to hear these lines in audio form. i bought a joe diorio book years ago (intervallic designs) lost it over the years and recently re purchased it with audio examples...
try some raymond scott. "In 1943, Scott sold his music publishing to Warner Bros., who allowed carl stalling music director for Looney Tunes and Merrie Melodies to adapt anything in the Warner music catalog. ."
heres my favorite ,one of his famous...
to your p.s....to me there is no answer to that. amp simulation has come a long way. i tend to treat each song differently (amp or software) . they both have their place for me. your recording sounds clean and warm with some nice dynamics.
hal lenard has a few cool backing tracks. check their site out. heres a fusion set of cool backers https://www.halleonard.com/product/121902/jazzfunk
also try bobbys backing tracks..or coffee break grooves to name a few.