This app is an audio puzzle. It consists of thirty puzzles about National Anthems of the world countries.
The operator is asked to listen to a National Anthem music (no lyrics). The next step is to correlate the anthem with one of three countries/choices.
The correct answer is illustrated to them after they chose.

90 countries are listed to choose 30 correct countries as each puzzle contains one National Anthem and three choices.

Romania
Hungary
Austria
Ukraine
Pakistan
Russia
Portugal
France
Belgium
Norway
UK
Iceland
Cuba
Australia
Ireland
Mauritius
Mongolia
Japan
Cote d'Ivoire
Zaire
South Africa
Croatia
Poland
Cypress
Spain
Monte Carlo
Bulgaria
Peru
Bolivia
Brazil
Kazatstan
Argentina
Georgia
Kuwait
Egypt
Tunisia
Malaysia
Ecuador
Italy
Nepal
Cambodia
Vietnam
Venezuela
Panama
Sweden
Laos
India
Iran
Saudi Arabia
Syria
Yemen
Lithuania
Netherlands
Estonia
Iceland
Canada
Bahamas
Turkey
Uzbekistan
Armenia
Finland
Switzerland
Belarus
Jordan
Libya
Iraq
Nigeria
Chad
Seri lion
Colombia
Cost Rica
Honduras
Greece
Macedonia
Maldives
Malta
Haiti
Dominica
Chile
Mexico
USA
Algeria
Lebanon
Qatar
Morocco
United Arab Emirates
Oman
Mongolia
Paraguay
China