- Outback
- Omega & JN3
- Maurice Jarre
- Özgür Can
- Orlando Brown, Raven-Symoné & Anneliese van der Pol
- Skinny Puppy
- Sonicflood
- Sarah Morgann
- Jeremy Riddle, Steffany Frizzell Gretzinger & Bethel Music
- The Icarus Line
- The Film Studio Orchestra
- Rebecca Luker & Peter Marinos
- Mick Harvey
- The Ditty Bops
- Oona Laurence & Ben Thompson
- The Academy Allstars
- Matilda The Musical Orchestra
- Patti LuPone, Mark Syers, Mandy Patinkin & Various Artists
- Big Punisher & Prospect
- Oona Laurence
- Philip Glass, Philip Glass Ensemble & Michael Riesman
- Charlie Parker & Machito & His Afro-Cuban Orchestra
- Jon Sarta
- Jack Savoretti
- Oysterhead
- Sylvia Tysick, Elaine Millar, Paula Hendrix & Chita Rivera
- Omnia & Ira
- Tillmann Uhrmacher
- Shy Kidx
- Smokie Norful & 12th District AME Mass Choir
- My Fair Lady Orchestra & Franz Allers
- Lyfe Jennings & Snoop Dogg
- R.F.N.
- Matt Cavenaugh & Josefina Scaglione
- Taylor Caniff
- Struggle
- Once on This Island Ensemble & La Chanze
- Stan Werner
- Qq & Venomus
- Evil Superstars
- Victoria Paterson
- Orchester der Deutschen Oper Berlin & Karl Böhm
- Thee More Shallows
- Les Claypool
- Overdub & Sophia
- Ocean
- Preashea Hilliard
- Oshea
- Joan Roberts & Female Chorus
- TwoThirds
- Southwest German Chamber Orchestra, Wilhelm Keitel & Graciella Araya
- Stereoside
- Manu Narayan
- Orielle
- Gary Brooker
- Matt Bianco
- OMFO
- Jane Monheit
- Organized Noize feat. Queen Latifah
- Sounds of the Earth
- John Michael King
- Olivia Newton-John & Cliff Richard
- University of Kentucky Pep Band
- The Greek Wedding Band featuring John Tsifliklis
- Andrew Bayer
- Smokie Norful, Keshia McFarland & 12th District AME Mass Choir
- Trent Dabbs
- Oh No
- Shota Kageyama, Aoki Morikazu & GAME FREAK
- Jennifer Hudson, Deena Jones & The Dreams
- Inge Bergmann
- Once on This Island Ensemble
- Over It
- Overseer
- A Tribe Called Quest featuring Busta Rhymes
- Until The Ribbon Breaks
- Jay Blackton
- Little Daylight
- Joyce Collins & Johnita Collins
- Once on This Island Ensemble & Kecia Lewis-Evans
- The Sea and Cake
- Allison Janney & Men's Ensemble
- Maccabeats
- White Gangster
- Xavier Cugat and His Orchestra
- Shamir
- OCAD
- Owen Brady
- Southwest German Chamber Orchestra & Wilhelm Keitel
- Rome Opera House Orchestra, Alberto Paoletti & Anna La Pollo
- Orange Caramel
- Sir Andrew Davis, Choir of King's College, Cambridge & Sir David Willcocks
- Jay Nash
- One Inch Punch
- Judy Reyes & Sarah Chalke
- Tunji Ige
- Ten Years After
- Mandolin Orange
- Ozomatli & David Hidalgo
- Soundscapes Relaxing Music