Petőfi Rádió:

O Es En / Felcser Mate / Feher Balazs O.T. Genasis O' Sullivan O'Sullivan Oakenfold Oana Catalina Chitu Oasis OB OBrien feat Drake & P Reign OBESON Obie Trice Obrint Pas Obrotka Obsidian & Jason Occam OCD Moosh & Twist Oceaan Ocean Colour Scene Ocean Fish Ocean Shiver Oceana Ocho Macho Ocho Macho & Kowalsky Ocho Macho akusztik koncert Ocho Macho Feat Deniz Ocho Macho feat. Banki Beni Ocho Macho feat. Deniz Ocho Macho Feat. Krsa Ocho Macho feat. Wolfie Ocho Macho koncert Octave Minds Octave One Oddisee Odessa Odesza ODESZA feat Little Dragon Odesza feat Monsoonsiren Odett Odett akusztikus koncertje Odett and Marsalko David Odett and Thurozy Szabolcs Odett és a Go Girl Odett És A Go Girlz Odett És A Go Girlz & Eszter Odett És A Go Girlz! Odett feat. Marsalko David Odett feat. Toldi Odett feat. Toldi Miklos Odett koncertje (MÜPA) Odett, Dorogi Péter (Intim torn Odom Of Mice & Men Of Mice and Men Of Monsters and Man Of Monsters And Men Of Monsters Of Men Ofenbach Ofenbach / Nick Waterhouse Ofenbach feat. Lagique Ofenbach vs. Nick Waterhouse Off the Hook Offspring Ofori Amponsah Ofra Hasa Ofra Haza Ogguere Oh Wonder Ohmega Watts feat. Catalina Bel Ohnody Oi Va Voi Oiee feat. Solere Oiki Ojos de Brujo Ojos De Brujo (Bari) OK Go Ol Dirty Bastard Ol' Dirty Bastard Ola Oladad Olafur Arnalds Ólafur Arnalds feat. Arnór Dan Olah Gergo Olah Gergo feat. Deniz Olah Gergo feat. Goore Oláh Gergő Oláh Gergő koncertje Oláh Gergő, Deniz Olah Geri Oláh Gipsy Beats Oláh Ibolya Oláh Ibolya és A Karmapirin Fea Oláh Ibolya és a Karmapirin kon Oláh Kálmán és a Trió Midnight Oláh Kálmán Zkr Olah Marcell Oláh Tzumó Árpád Oláh Tzumó Árpád, EZ Basic Old Man River Old Raiders Old Riders Oleg Mass Oliver $ & Jimi Jules Oliver $, Jimi Jules Oliver Amp & Jimi Jules Oliver Cheatham Oliver from and' BLR Oliver From Earth Oliver from earth / BLR Oliver from earth and BLR Oliver From Earth feat. BLR Oliver from earth feat. Fura Cse Oliver from earth feat. Labas Viki Oliver from earth feat. Nagi Oliver from earth feat. Roy Oliver Heldens & Becky Hill Oliver Heldens & Ida Corr Oliver Heldens feat KStewart Oliver Heldens feat. Becky Hill Oliver Heldens X Becky Hill Oliver Huntemann Oliver Huntemann and Dubfire Oliver Koletzki Oliver Loletzki Oliver Mtudkudzi Oliver Mtukudzi OLIVER S.A.L.T. Oliver Tree Oliverfromearth Oliverfromearth and Tha Shudras Oliverfromearth feat. Nagi Olivia Rodrido Olivia Rodrigo Olivver Olli & the Bollywood Orchestra Olli And The Bollywood Orchestr Olly Murs Olly Murs / Flo-Rida Olly Murs / Louisa Johnson Olly Murs and Louisa Johnson Olly Murs Feat Flo-Rida Olly Murs feat Travie McCoy Olly Murs Feat. Alizée Olly Murs feat. Flo-Rida Olly Murs feat. Louisa Johnson Olly Murs feat. Rizzle Kicks Olly Murs Feat. Travie Mccoy Olly Murs Ft Rizzle Kicks Olympic Ayres Om Omar Al Abdullat Omar Bashir Omar Linx Omar Rodriguez Lopez Group Omar Souleyman Omara Portuondo Omarion & Jhene Aiko & Chris Br Omarion Ft. Kid Ink & French Mo OMC OMD Omega Omega 10000 lépés Omega Diatribe Omega Elefánt Band Omen OMFG Omi Omi ft. Aronchupa Omiki OMN Omnia Omnium Gatherum On Cue Once Kingdom Oncue Onda Vaga Onde Republic One Direction One Ok Rock One Republic One Rpublic Onedirection OneRepublic Onerepublic feat Seeb Onerepublic feat. Logic Onerepublic feat. Seeb Oneword Onodi Eszter and The Open Pub Onyx Onyx feat. Papoose & Cormega Onyx feat. Reks Ookay Oort Opa Cupa Opa Cupa feat Mostar Sevdah Reu Operahouse Operation Mindcrime Óperentzia Opitz Barbi Opium Jukebox Opiuo OPM Optiv & BTK Optiv & BTK feat. Sam Willis Orange Blossom Orange Caramel Orange Goblin Orbient Orbital Orbital (2012.12.28. ismétlése) Orchestra Baobab Orchestre Poly-Rythmo Orden Ogan Ordinary Boys Ordinary Boys & Ranking Junior Ordinary Boys vs. Lady Sovereig Ordog Oreka Tk Orez Orfaz Organic Soul Organized Konfusion Orgy Ori Shochat Óriás Oriental Darabuka Dj Fisoo Origem Tradicional feat. Júlio Original Sin feat. Koo Orion Nebula Feat. Fodor Márius Orishas Orison Orphaned Land Orphic Orphic Oxtra Orquesta Sublime Orquestra Tabaco & Ron Orsi Orsoia Orson Orsovai Reni Es Deniz Os Almirantes feat latin Fresh Os Mutantes Oscar And The Wolf Oscar D'Leon Oscar Isaac & Marcus Mumford Oscar Sulley & The Uhuru Dance Osmani Garcia feat Pitbull & Se Ossian Ostorházi Bernadett Otava Yo Otep Other Planet Otherwise Otodik Evszak Otra Puse & Antra Stafecka Otros Aires Otto Knows Otyg OUI VA VOI Ouilfreed Meyou Oum Oumou Sangare Our Samplus Ours Samplus Ousmane Guangué Ousmane Toure Out Lawz Outer Kid Outkast Outlandish Over8 Overdoz OverDoz feat Pharrell Overkill Overproof Sound System Overtones Owl City Owl City Feat Aloe Blacc Owl City Feat. Lindsey Stirling Oxia Oxilite Oxylice Oxylice feat. Katie's Ambition Ozma Ozomatil Ozomatli Ozomatli feat. Jack Johnson Ozone Mama Ozzie Ozzy Osbourne Ő és Én Ő És Én (Felcser Máté & Fehér B Ő és Én (Felcser Máté és Fehér Ördög