| Oakenfold
| Oana Catalina Chitu
| Oasis
| Occam
| Ocean Colour Scene
| Oceana
| Ocho Macho
| Odett
| Odett És A Go Girlz
| Odett És A Go Girlz!
| Odett És A Go Girlz & Eszter
| Odett és a Go Girl
| Of Monsters and Men
| Offspring
| Oi Va Voi
| Ojos De Brujo (Bari)
| OK Go
| Oláh Ibolya
| Oláh Kálmán és a Trió Midnight
| Oláh Kálmán Zkr
| Oláh Tzumó Árpád
| Oláh Tzumó Árpád, EZ Basic
| Olafur Arnalds
| Old Man River
| Oliver Mtukudzi
| OLIVER S.A.L.T.
| Olly Murs
| Olly Murs Feat Flo-Rida
| Omara Portuondo
| OMC
| Omega
| One Direction
| One Republic
| Operahouse
| Opium Jukebox
| OPM
| Orange Blossom
| Orbital
| Orbital (2012.12.28. ismétlése)
| Ordinary Boys
| Ordinary Boys & Ranking Junior
| Ordinary Boys vs. Lady Sovereig
| Orishas
| Orson
| Outkast
| Outlandish
| Overproof Sound System
| Overtones
| Owl_City
| Ozomatli
| Ozomatli feat. Jack Johnson
| Ozone Mama