Alright…lived near Nashville for a while, and I’m an enthusiastic guitar/fiddle player, myself.
Depends what you like. But here are some of my own favorite Country/Bluegrass recordings/artists.
Dolly Parton/Emmylou Harris/Linda Ronstadt. “Trio.” It’s got David Lindley playing Hawaiian lap steel guitar on one cut, and some relatively early Mark O’Connor Nashville session fiddle playing on it. The vocal arrangements are exquisite. There are actually two “Trio” albums, but I prefer the first one.
Also, Dolly Parton’s “The Grass is Blue.” Straight ahead bluegrass. Top notch.
I like a lot of stuff from Alison Krauss and Union Station.
Steve Earle (particularly “Copperhead Road.”)
Vince Gill is a tremendous musician, an outstanding guitarist with a lot of affection for country roots, although he can still make old forms sound fresh.
Brad Paisley. Killer guitar player.
John Anderson. Particularly “Seminole Wind.”
Mark O’Connor and the New Nashville Cats. One word. Wow.
Bill Monroe and the Bluegrass Boys. Recordings from the 1940’s and 50’s. How many people almost singlehandedly INVENT an entire friggin’ GENRE of music? If you don’t know who Bill Monroe is, you simply don’t have a working knowledge of American music.
A recording called “Strength in Numbers” from fiddler Mark O’ Connor, Banjo player Bela Fleck, Bassist Edgar Meyer, and Dobro player Jerry Douglas.
If you like that, and you like classical music, too, try “Appalachian Spring” from O’Connor, Meyer, and reknowned cellist Yo Yo Ma.
O’Connor’s record “Heroes,” where he basically plays duets with all his childhood fiddle/violin playing heroes. Yeah, I’m an O’Connor fan.
“Country Boy Can Survive,” from Hank Williams, Junior.
“Diggy Diggy Lo” and “Louisiana Man,” from Cajun fiddler Doug Kershaw. (Yeah, there’s country music besides Nashville.)
Asleep at the Wheel (Good Texas Swing stuff. Also check out Bob Wills, Spade Cooley, and Johnny Gimble for this stuff.)
A duet record from Chet Atkins and Mark Knopfler (yes, of Dire Straits. Knopfler’s a wonderful country guitarist) called “Neck and Neck.”
Lonnie Mack.
Arlen Roth.
At the tender age of 17, I believe that LeAnn Rimes is one of the very best pop singers in the world. She had her first big hit at the age of 13 or so with “Blue.”
Who can forget Patsy Cline?
And Willie Nelson?
A song by Jimmy Webb called “The Highwayman.”
“Fancy, Don’t Let me Down,” from Reba McIntyre.
A compilation record called “Country, Rythm, and Blues” I think. Puts black R&B and white country artists together in the studio together with delightful results.
The Nashville Bluegrass Band. Stuart Duncan on Fiddle.
That ought to get you started.