Those high end 50's recordings by Sinatra and other jazz/blues greats I'm not sure were ever bettered to my ears .
Its big chunky transformer cores ,ribbon mics ,and a good dose of tape saturation which adds a nice punch on the peaks.
Davis's honks and hoots have an elephantine quality sometimes , brass and orchestra hits back then seemed to have so much more bite and attack .
I found Davis's 'On the corner' extended sessions on flac, its one of my bench marks for drums and percussion .