If somebody is intetested. I made a list of songs which were in WWWSC (plus a few from the retro sub-contest) and I found on spotify (some independent from that). It excludes lots of songs which received a 12 from me.
Albania
Rita Ora - I will never let you down
Armenia
Cher - Believe
Australia
Guy Sebastian & Lupe Fiasco - Battle scars
Vance Joy - Riptide (still upset that I didn't really vote for it)
Jessica Mauboy - This ain't love
Austria
Wanda - Bologna
Belgium
Emma Bale - All I want
Lost Frequency & Janieck Devy - Reality
Netsky & Beth Dito - Running low
Brazil
Corona - The rythm of the night
Vandroya - Why should we say goodbye
Chile
We are the grand - Soy
Croatia
Luka Nizetic - Proljece
Cuba
Enrique Iglesias, Gente de zona & Descemer Buenos - Bailando (I hated it so much back then though.
)
Cyprus
Stefanos Dimisthenous - Gia sena mono
Nikki Ponte - Remembering the Summer Nights
Czech Republic
Slza - Lhuta Zarucni
Jaro Smejkal - Never mind
Denmark
Hedegaard & Lukas Graham - Happy Home
Finland
Studio Killers - Jenny (also got a dislike back then)
Eva & Manu - Kun aika on
Jesse Kaikuranta - Näytän sulle rannan
Softengine - The sirens
Ville Valo & Natalia Avelon - Summer wine
Arion - You're my melody
France
Florent Mothe - Auprès d'un autre (this song turned out to be very depressing; I didn't really realize that back then.
)
Indila - Dernière Danse
Marina Kaye - Homeless
David Guetta & Sia - Titanium
Muttonheads & Eden Martin - Trust you again
Germany
Faun - Diese kalte Nacht
Lou Bega - Mambo No. 5
Robin Schulz - Show me love
Sarah Connor - Wie schön du bist
Greece
Konstantinos Argiros - Esena Thelo
Antique - Opa Opa
Nick Raptakis - Oso agapao me matheno
Ireland
Lesley Roy - Unbeautiful
Italy
Eiffel 65 - I'm blue (da ba dee)
Umberto Tozzi - Gloria
Latvia
Samanta Tina - I need a hero
Rassel, Edvards Grieze & Sabīne Berezina - Esi Kustībā (probably the most surprising one)
Lauris Reiniks - Rīts Pienenpūkās
Mexico
Jesse & Joy - La de la mala suerte
Paulina Rubio & Morat - Mi Nuevo Vicio
Rio Roma - Tonto
Norway
Adelén - Bombo
Röyskopp & Susanne Sundfør - Running to the sea
Aurora - Running with the wolves
Poland
Ewelina Lisowska - W Strone Slonca
Jula - Ślad
Russia
Sergey Lazarev - 7 Wonders
Sergey Lazarev - In my lonely life/Eto vsa ona (got both)
Sergey Lazarev - Take it off
Slovenia
Lombardo Nejic - Mesto želja
Spain
Nicky Jam & Enrique Iglesias - El Perdón
Y'all & Gabriela Richardson - Hundred miles
Auryn - Puppeteer
Sweden
Swedish House Mafia & John Martin - Don't you worry child
Icona Pop - I love it (my first 12 here ^-^)
Switzerland
Lovebugs & Lene Marlin - Avalon
Troubas Kater - Latvia (still the entry which surprised me the most - in a positive way; The other way around exists too.)
Beatrice Egli - Mein Herz
Remady & Manu-l & Single Ladies
Nickless - Waiting
The Netherlands
Chips - 1001 Arabian nights
Kensington - Streets
Mr. Probz - Waves
Turkey
Aynur Aydin - Life goes on
Müslüm - Süpervitamin
Uk
George Ezra - Budapest
Mika - Grace Kelly
Duffy - Mercy
USA
Kelly Clarkson - Behind these hazel eyes
No Doubt - Don't speak
Rachel Platten - Fight song (one more I hated that time)
Venezuela
Gustavo Elis - Rumba Hoy
Oscarcito - Tumbayé