- Backing TrackStudio
- Backline
- Bad Era
- Bad Livers
- Bailes Brothers
- BAKER & BROTHER'S
- Balsam Range
- Band Brothers Solah
- Bang up to the Gospel
- Banjo Barons
- Banjo Express Ensemble
- Barbara Dane
- Barcelona Bluegrass Band
- Bare Fjas og Blågras
- Barn & Belle
- Barnstar!
- Barry & Holly Tashian
- Barry Collins
- Barry Mitterhoff
- Barry Scott
- Barry Scott & Second Wind
- Bartley Brothers
- Bashful Brother Oswald
- Baskery
- Bass Mountain Boys
- Baucom, Bibey, Graham & Haley
- Bearfoot
- BeauSoleil
- Beaver Creek
- Becky Buller
- Ben and Me
- Ben Miller Band
- Ben Somers
- Benny & Vallie Cain
- Benny Galloway
- Benny Martin
- Benny Thomasson
- Benton Flippen & The Smokey Valley Boys
- Bering Strait
- Bernice Johnson Reagon
- Beth & April Stevens
- Beth Stevens
- Betty Anne
- Beverly Cotten
- Big Country Bluegrass
- Big Fat Snake
- Big Hoedown
- Bighorn Butterboys
- Bill & Gloria Gaither
- Bill & Libby Hicks
- Bill Booth
- Bill Clifton
- Bill Emerson
- Bill Emerson & Sweet Dixie
- Bill Emerson And Sweet Dixie
- Bill Evans
- Bill Frisell
- Bill Grant
- Bill Harrell
- Bill Harrell & The Virginians
- Bill Jackson
- Bill Keith
- Bill Monoe
- Bill Monoe
- Bill Monroe
- Bill Monroe and His Bluegrass Boys
- Billy "Banjo" Buchanan & His Dixie Band
- Billy & Terry Smith
- Billy Arnold
- Billy Burnette
- Billy Droze
- Billy Oskay
- Billy Ray Cyrus
- Billy Sherman
- Billy Strings
- Billy Troy
- Bizzy D Williams
- Black 'N Blue
- Blackjack Crossing
- Blagresi
- Blaine Sprouse
- Blake
- Blossom Walkers
- Blue Blokes 3
- Blue Day
- Blue Denim
- Blue Dogs
- Blue Dogs and Friends
- Blue Grass Boogiemen
- Blue Highway
- Blue Hope
- Blue Mafia
- Blue Moon Rising
- Blue Ridge Partners
- Blue Rose
- BLUE ROSE
- BLUEFIELD EXPRESS
- Bluegrass Alliance
- Bluegrass at the Crossroads
- Bluegrass Cardinals
- Bluegrass Champs
- Bluegrass Charley The 20-20 Vision Man
- Bluegrass Christmas Jamboree
- Bluegrass Etc
- Bluegrass Patriots
- Bluegrass Reunion
- Bluegrass Rox
- Bluegrass Stuff
- Bluegrass Tribute Players
- Bluegrass Worship Band
- Bluegrassmusik
- Blueground Undergrass
- Blueridge
- Blueridge Mountain Bluegrass Band
- Blues da Casa Torta
- BlueSoul Family
- Bob & Dana Kogut
- Bob and Dana Kogut
- Bob Bovee
- Bob Brozman
- Bob Carlin
- Bob Davis
- Bob Johnson and The Lonesome Travelers
- Bob Smallwood
- Bobby & Teddi Cyrus
- Bobby Cole
- Bobby Darin
- Bobby Hicks
- Bobby Osborne
- Bobby Osborne & The Rocky Top X-Press
- Boof & Amy Morgan
- Boof and Amy Morgan
- Boone & Foster
- Boone Creek
- Boots n' Shorts
- Booty and the Hofish
- Boris Garcia
- Boris Križan
- Boxcar Dan And The Vagabond Strangers
- Boy Mango
- Boys From Indiana
- Brad Davis
- Brad Leftwich
- Bradley & Adair
- Bradley Walker
- Brand New Strings
- Brandon Rickman
- Breakfast Special
- Breaking Grass
- Brian Arnold
- Brian Kirley
- BrianRolling
- Bridget Kearney
- Bris
- Brivia Allan
- Bro. Gil Pritchett
- Brock McGuire Band
- Brokeland Bullets
- Brother Boys
- Brother Oswald
- Brown Trout & The Lunkers
- Bruce Connole
- Bruce Hornsby
- Bruce Molsky
- Bruno Sartoretto
- Bryan Bowers
- Bryan Sutton
- Bryan Sutton And Friends
- Buck Owens & His Buckaroos
- Buck Ryan
- Bucket of Dirt
- Buckwheat Zydeco
- Buddy Davis
- Buddy Spicher
- Buddy Thomas
- Buell Kazee
- Burak.Kandemir
- Busted Hearts
- Butch Baldassari
- Butch Robbins
- Butch Robins
- Butch Waller
- Buzz Busby
- Byron Berline
- Byron Berline And John Hickman
- Béla Fleck
- Béla Fleck & The Flecktones