I have left off many fiddlers/violinists I admire greatly and focused a little more on the players whom really have a bluegrass sound and play in that genre - among others. Casey Driessen – Champ of the Chop, own stuff is the best (3D, Oog), fiddler for Bela Fleck Check out this link: https://www.caseydriessen.com/chop-notation-project Britney Haas - Old-time, Scottish, Crooked Still, also has solo CD, NPR’s “Live from Here” fiddler Shad Cobb - so creative n inventive, has solo CD, fiddler for John Cowan Band Gabe Wicher - Punch Brothers Jason Carter - Bluegrass, Del McCoury Band Andrew Bird - not a country fiddler but check out his stuff, 20 CD's in last 20 years - very cool Michael Cleveland – Bluegrass, Michael Cleveland & Flamekeeper Hunter Berry - plays for Rhonda Vincent & the Rage MORE: Mark O'Connor - most recorded fiddler in Nashville in the 80’s-90’s any style Stuart Duncan - the KING – The Nashville Bluegrass Band, bluegrass, swing, commercial country Tim O’Brien - Bluegrass and beyond Darol Anger - Bluegrass, World Styles Bruce Molsky - Old-Time Alison Krauss - mostly vocal now but played on a lot of her earlier stuff Mike Marshall - World styles Andy Leftwich - Bluegrass, former Ricky Skagg’s Kentucky Thunder Sara Watkins - Nickel Creek, I’m With Her Billy Contrearas - Swing, Jazz YOUNG GUNS: Mike Barnett – Bluegrass, Swing, Old-Time Ricky Skaggs & Kentucky Thunder Alex Hargreaves – any style, NPR’s “Live from Here” Jeremy Kittle – any style, NPR’s “Live from Here” Luke Bulla – any style, currently w/Lyle lovett Patrick McAvinue – Bluegrass, Scottish, Charm City Junction Eli Bishop – Bluegrass, Swing Almost all of these guys was a Blue Grass Boy at some point: Byron Berline – Bluegrass Vassar Clements – Bluegrass, Bill Monroe and the Bluegrass Boys, Flatt & Scruggs Kenny Kosek - Bluegrass Richard Greene – Bluegrass, The Flying Burrito Brothers, Country Gazette Howdy Forrester – Bluegrass Bobby Hicks – Bluegrass, The Bluegrass Album Band, Ricky Skaggs (1981-2004) Chubby Wise – Bluegrass Kenny Baker – Bluegrass, Bill Monroe and the Bluegrass Boys Tommy Jackson – Bluegrass Buddy Spicher –most recorded fiddler in Nashville in 60’s-early 80’s – any style Scotty Stoneman - Bluegrass Johnny Gimble – Bluegrass, Western Swing, swing, Bob Wills & his Texas Playboys John Hartford – Old-Time, Bluegrass Ricky Skaggs David Grisman The Del McCoury Band The Punch Brothers Yonder Mountain String Band Rhonda Vincent & the Rage The Infamous Stringdusters Sierra Hull Alison Krauss & Union Station Claire Lynch Old Crow Medicine Show The Grascals The Greencards The Bluegrass Album Band Cherryholmes The Nashville Bluegrass Band Doyle Lawson & Quicksilver Laurie Lewis J.D. Crow & the New South The Kentucky Colonels Peter Rowan .