Some of the classics beyond cash and dolly, I’ll exclude the more countrypolitan stuff, these are mostly more honky tonk, also some modern people
Hank williams (all three of 'em) merle haggard, willy nelson, waylon jennings, kris Kristofferson, Buck Owens, wayne hancock, Orville peck, marty robbins, nick shoulders
Bluegrass earl scruggs, osborne brothers, ricky skaggs, billy strings
Gothic? Bridge City sinners, rhiannon Giddens, Amigo the Devil, Shawn James
Only partially related but i am going to hop on my soapbox to inform everyone that honeybees are an invasive species in the US and others places. While they are not the sole cause of native bee/pollinator die off they are one of the largest factors contributing to it. Save native bees!