O

Oasis – Don’t look back in anger (Jardânia – NSC 32 – Semifinalista)
Oasis – Stop crying your heart out (Romiderex – NSC 19 – Final nacional)
Obeses – L’aria du l’hermafrodite (Col·lobia – USC 35 – Final nacional)
Oceana – Cry cry (Shamitri – NSC 37 – Final nacional)
OceanLab – Satellite (Alliyjah – NSC 33 – Final nacional)
Of Monsters and Men – Crystals (República Polar das Bananas – USC 58 – Final nacional)
Of Monsters and Men – Empire (República Polar das Bananas – USC 60 – Finalista)
Of Monsters and Men – Little talks (Col·lobia – USC 33 – Finalista)
Of Monsters and Men – Silhouettes (Col·lobia – USC 41 – Final nacional)
Of Monsters and Men – Wolves without teeth (República Polar das Bananas – USC 66 – Final nacional)
Of Monsters and Men – Your bones (Império do Lado – USC 31 – Final nacional)
Ofra Haza – Im nin’alu (Selectia – NSC 12 – Final nacional)
Off Bloom – Love to hate it (Império Vintage – USC 77 – Final nacional)
Ofra Haza – You (Império do Lado – USC 31 – Finalista)
O’g3ne – Magic (Hidra – USC 52 – Final nacional)
Oh, Be Clever – Next to you (Sunnyland – USC 44 – Finalista)
Oh Honey – Sugar, you (República Polar das Bananas – USC 59 – Final nacional)
Oh Land – Head up high (Gotramalen – USC 50 – Final nacional)
Oh Land – Speak out now (Alliyjah – USC 27 – Final nacional)
Oh Land – Sun of a gun (Nishmati – USC 5 – Final nacional)
Oh Land / Turboweekend – Slow (Gotramalen – USC 64 – Final nacional)
Oh My Girl – Closer (Império do Lado – USC 82 – Final nacional)
Ohlayindigo – Golden chains (Wénia – USC 67 – Finalista)
Ok Go – Here it goes again (Tigerland – NSC 8 – Final nacional)
Okean Elzy – Ne tvoyna voina (Selectia – USC 59 – Finalista)
Ola Svensson – All over the world (Shamitri – USC 2 – Finalista)
Ola Svensson – Beautiful rain (Treli Kardia – USC 8 – Final nacional)
Ola Svensson – Feel good (Império Bipolar – NSC 32 – Final nacional)
Ola Svensson – I'm in love (Arlanda – USC 24 – Final nacional)
Ola Svensson – Maybe (Wénia – USC 36 – Final nacional)
Ola Svensson – Natalie (Alexoria – NSC 21 – Final nacional)
Ola Svensson – Riot (Wénia – USC 17 – Final nacional)
Ola Svensson – Sky’s the limit (Shamitri – NSC 27 – Final nacional)
Ola Svensson – SOS (Shamitri – NSC 11 – Finalista)
Ola Svensson – This could be paradise (Treli Kardia – USC 54 – Final nacional)
Ólafur Arnalds – Lag fyrir ömmu (Saint-Tevan – USC 29 – Final nacional)
Olavi Uusivirta / Pauliina Kokkonen – Tuhat vuotta sitten (Saint-Tevan – USC 34 – Final nacional)
Olavo Bilac / Paulo Gonzo – Jardins proibidos (Odracir – NSC 16 – Finalista)
Oleksandr Ponomaryov – Ya lyublyu tilky tebe (Saint-Tevan – USC 30 – Final nacional)
Olga Sansevich – First time (Império do Lado – USC 37 – Final nacional)
Olive – I'm not in love (R.H.N. – NSC 11 – Finalista)
Olivia Holt – Phoenix (Genosha – USC 71 – Final nacional)
Olivia Olson – All I want for Christmas is you (Genosha – USC 1 – Final nacional)
Olivia Thorn – I’m not your lady (Wénia – USC 70 – Final nacional)
Olly Murs – Army of two (Genosha – USC 29 – Final nacional)
Olly Murs – Beautiful to me (Hidra – USC 51 – Final nacional)
Olly Murs – Dance with me tonight (Bucovina – USC 15 – Final nacional)
Olly Murs – Dear darlin’ (Hidra – USC 33 – Final nacional)
Olly Murs – Hand on heart (Treli Kardia – USC 38 – Final nacional)
Olly Murs – Heart on my sleeve (Hidra – USC 5 – Final nacional)
Olly Murs – Kiss me (Alliyjah – USC 62 – Final nacional)
Olly Murs – Please don't let me go (Império Bipolar – NSC 38 – Final nacional)
Olly Murs – Right place right time (Treli Kardia – USC 36 – Final nacional)
Olly Murs – Thinking of me (Bucovina – USC 1 – Final nacional)
Olly Murs – Years and years (Protereotita – USC 76 – Finalista)
Olly Murs – You don’t know love (Selectia – USC 71 – Finalista)
Olly Murs / Travie McCoy – Wrapped up (Agapis – USC 57 – Final nacional)
Olta Boka – Mbete nje brenge (Yardrat – USC 24 – Final nacional)
Olya Polyakova – Russian style (Fratenoir – USC 28 – Final nacional)
Olympe – Born to die (Hugolândia – USC 42 – Final nacional)
Olympe – C’est facile (República Polar das Bananas – USC 52 – Finalista)
Olympe – Nos yeux d’enfants (Saint-Tevan – USC 46 – Final nacional)
Omar Cabán – Go the distance (Yardrat – USC 43 – Final nacional)
OMD – If you want it (Majhill – NSC 39 – Semifinalista)
Omi – Cheerleader (Wénia – USC 59 – Final nacional)
One Direction – Best song ever (Pequilo – USC 36 – Final nacional)
One Direction – Drag me down (República Polar das Bananas – USC 61 – Final nacional)
One Direction – Gotta be you (Wénia – USC 14 – Final nacional)
One Direction – Kiss you (Pequilo – USC 29 – Final nacional)
One Direction – Live while we're young (Genosha – USC 25 – Finalista)
One Direction – More than this (Bucovina – USC 22 – Final nacional)
One Direction – Night changes (Pequilo – USC 51 – Final nacional)
One Direction – Perfect (Pequilo – USC 62 – Final nacional)
One Direction – Story of my life (Pequilo – USC 38 – Final nacional)
One Direction – What makes you beautiful (Bucovina – USC 12 – Final nacional)
One Direction – You and I (Pequilo – USC 43 – Final nacional)
One Ok Rock – Last dance (Pequilo – USC 63 – Final nacional)
One Ok Rock – Wherever you are (Pequilo – USC 27 – Final nacional)
One Night Only – Just for tonight (Selectia – NSC 31 – Semifinalista)
One True Voice – Sacred trust (Alexoria – NSC 34 – Final nacional)
OneRepublic – All the right moves (Bográvia – NSC 29 – Finalista)
OneRepublic – Counting stars (Hidra – USC 33 – Final nacional)
OneRepublic – Feel again (República Polar das Bananas – USC 24 – Finalista)
OneRepublic – Good life (Bucovina – USC 3 – Final nacional)
OneRepublic – If I lose myself (Hidra – USC 29 – Final nacional)
OneRepublic – Kids (Genosha – USC 73 – Final nacional)
OneRepublic – Let’s hurt tonight (Treli Kardia – USC 76 – Finalista)
OneRepublic – Love runs out (Agapis – USC 56 – Finalista)
OneRepublic – Marchin on (Hugolândia – NSC 38 – Final nacional)
OneRepublic – Say (All I need) (Hidra – NSC 27 – Final nacional)
OneRepublic – Secrets (Genosha – NSC 30 – Finalista)
OneRepublic – Stop and stare (Hidra – NSC 17 – Finalista)
OneRepublic / Sara Bareilles – Come home (Shamitri – NSC 28 – Finalista)
OneRepublic / Timbaland – Apologize (Odracir – NSC 9 – Finalista)
Onitsuka Chihiro – Ryuuseigun (Teknolia – USC 8 – Final nacional)
Only Girl – Feel it (Sunnyland – USC 63 – Final nacional)
Only The Young – I do (Alliyjah – USC 58 – Finalista)
Oonagh – Ananau (Wénia – USC 59 – Final nacional)
Oonagh – Aulë und yavanna (Protereotita – USC 78 – Final nacional)
Oonagh – Eldamar (Treli Kardia – USC 51 – Final nacional)
Oonagh – Gäa (Nishmati – USC 41 – Final nacional)
Oonagh – Orome (Treli Kardia – USC 43 – Final nacional)
Oonagh – Silmaril (Schöner als die sterne) (Império do Lado – USC 85 – Finalista)
Oonagh / Safri Duo – Zeit der sommernächte (Nishmati – USC 81 – Final nacional)
Operababes – Casta diva (Império do Lado – NSC 16 – Final nacional)
Operação Triunfo – Acreditar (Osopar – NSC 13 – Final nacional)
Ophélie Cassy / Paolo Meneguzzi – In nome dell’amore (Selectia – NSC 8 – Semifinalista)
Ophélie Winter – Elle pleure (Nova Izzlândia – NSC 23 – Final nacional)
Ophélie Winter – Je marche al'envers (Electra – NSC 2 – Final nacional)
Ophélie Winter – Shame on you (Vlatava – NSC 3 – Final nacional)
Opus – Life is life (Império do Lado – NSC 6 – Final nacional)
Oquestrada – Se esta rua fosse minha (Jonlândia – NSC 27 – Final nacional)
Orange Caramel – Bangkok city (Império do Lado – USC 8 – Final nacional)
Orianthi – According to you (Império Bipolar – NSC 32 – Final nacional)
Orianthi – Shut up and kiss me (Império Bipolar – NSC 37 – Final nacional)
Oriflame – Make that change (Wénia – USC 4 – Finalista)
Orishas – Hay un son (So Free – NSC 6 – Final nacional)
Orla Fallon – Down by sally gardens (Hugolândia – USC 4 – Final nacional)
Orleya – Del pita del (Pequilo – NSC 37 – Final nacional)
Ornatos Violeta – Ouvi dizer (Tigerland – NSC 17 – Final nacional)
Orson – No tomorrow (Tigerland – NSC 27 – Final nacional)
Os Azeitonas – Quem és tu miúda? (Jardânia – NSC 26 – Semifinalista)
Os Azeitonas – Um tanto ou quanto atarantado (Electra – NSC 2 – Final nacional)
Os Solitários – Vem comigo (Yardrat – USC 51 – Final nacional)
Oscar Zia – I want you (Agapis – USC 72 – Final nacional)
Oscar Zia – Without you (Wénia – USC 36 – Final nacional)
Osvaldo Supino – I have a name (Selectia – USC 34 – Final nacional)
Osvaldo Supino – Wet dream (Marvik – USC 58 – Finalista)
Otherview – Ola afta pou niotho (Nishmati – USC 62 – Final nacional)
O-Town – Skydive (Treli Kardia – USC 46 – Finalista)
Ott Lepland – Süte peal sulanud jää (Treli Kardia – USC 35 – Final nacional)
Otto Knows – Next to me (Teknolia – USC 57 – Finalista)
Our Last Night – Habits (Teknolia – USC 55 – Final nacional)
Outasight – I’ll drink to that (Nishmati – USC 31 – Final nacional)
Outfield, The – Your love (Tonight) (Tigerland – NSC 13 – Final nacional)
Outkast – Hey ha! (Lispe – NSC 3 – Finalista)
Outkast – Ms. Jackson (Tigerland – NSC 8 – Final nacional)
Outlandish – Callin’u (Arcália – NSC 19 – Final nacional)
Ovelha Negra – A memória (Col·lobia – USC 29 – Final nacional)
Owl City – Deer in the headlights (Rövanter – USC 9 – Finalista)
Owl City – Dreams don't turn to dust (República da Dalmástia – USC 21 – Finalista)
Owl City – Fireflies (Majhill – NSC 30 – Final nacional)
Owl City – Umbrella beach (Selectia – NSC 36 – Finalista)
Owl City – Vanilla twilight (Bográvia – NSC 34 – Finalista)
O-Zone – Dragostea din tei (Pequilo – NSC 10 – Final nacional)