Folk
Folk
Old Crow Medicine Show 19
Oregon 32
Oysterband 19
Odetta 23
Oliver Anthony Music 11
Otis Gibbs 9
Ossian 17
Olivia Ruiz 6
October Falls 13
Orla Gartland 6
Olivia Chaney 4
Ougenweide 14
Oh Susanna 8
Old Man Luedecke 6
Our Native Daughters 
Old Blind Dogs 15
Oscar Brand 8
Ole Paus 19
Owl 4
Old Salt Union 3
Oberon 9
Ora Cogan 11
Odd Nordstoga 11
Oded Tzur 6
Ordo Rosarius Equilibrio 10
Old Man Markley 2
O'Hooley And Tidow 
O'hooley & Tidow 6
Orion Rigel Dommisse 3
Olodum 2
Ordinary Elephant 4
Ola Kvernberg 3- Our Lady of Perpetual Help Chant Choir
Old Dog 
Orpheum Bell 
Osama - Otha Turner
Orouni 2- Oliver Wood
Onya 
Orlando Ef 
Once 
Off to California 
Ours To Destroy - Olmec
One Foot In 
Odon Soterias 2
Orange in the Light - Ombliunju
- Ole Ask 2
O.W.L. - Orderlies
Obo Martin 
Olive Jones 
Olatz Zugasti 4
Ordinary Time - ODYC
oso rey - One Black Lung 2
- Oscar Butler 2
Our Friends Social Club - Old Saw 2
Old Hours - Owen Keenan
Ogawa Kaya 2
Old Black Kettle 
Oen Kennedy 2- Ozone Players
Orchid Leaves - October Rose
- Oh! California
- Oria Blue
- Odette Michell
- Orchestre Cabaret Civil
- One Week In April
- Orchestra 8
- Orpheum
- Okefenokee Joe 2
Old Man Hands - Olivia Lark
- One Ton of Ducks
Osvaldo Paese - Oisín and Conal Hernon
- Owen Kortz
- Overman Family Trio
- Oshima Brothers
- Ozark Joe
Odie Leigh
- NEW — Artist has been updated in past 30 days
- Artist 3 — number of albums
