Fresh starts are always tempting, but they mean throwing out a ton of babies with that bathwater. Re-making old mistakes and solving them with fresh kludges in your nice, new, clean solution.
Like everything else in engineering, it's a balancing act.
The instrumentation sounds exactly like the Frank Sinatra recorded version, down to the flourishes of each instrument, best I can tell. Did the AI just replace the vocals or is something else going on here?