Been a while since a live show but was listening to Jake Workman's latest release "Landmark" and he has THAT tone. Sounds like David Grier...maybe DG was the first to really nail this modern tone. Kenny Smith, Bryan Sutton etc all have.....I don't....

I've been playing a long time and have a nice Collings D1A. I've had other great guitars and can never get that full round and at once bright tone.....
I think most of them use rounded picks and I just sound like mud with those....
I just changed strings to some Elixer PBs (13's?) and use a BlueChip TP50 Pick... A couple thinner and rounder which are further yet from THAT tone.....
The players I've seen sound pretty much like that live too so I doubt too much studio trickery but maybe...
Any advice to help me in my tone adventures?
Thanks!
Trav