Tom Russell is a big promoter of this type of material and he's recorded several albums and written a bunch of good tunes.
Just a couple of good ones....
"Llano Estacado":
https://myspace.com/russelltom/music...36686-88823467
And his classic, "El Gallo Del Cielo".... Likely the best song ever written about cockfighting (and possibly the only one..In English:
https://youtu.be/w2PUuTdei7k