Hora Bucuriei is a song performed by Romanian pop artist Loredana

Loredana Groza

Loredana Groza is a Romanian pop singer. Singer, actress, TV hostess and mother, Loredana began her career in the city of Oneşti. She alternated music styles in order to show her wide talents...

 in the Revolution Square of Bucharest

Bucharest

Bucharest is the capital municipality, cultural, industrial, and financial centre of Romania. It is the largest city in Romania, located in the southeast of the country, at , and lies on the banks of the Dâmbovița River....

, Romania’s capital, during the first seconds of the 2007 New Year's Eve while people danced the Hora

Hora

Hora is a type of circle dance originating in the Balkans but also found in other countries. The name is cognate to the Greek χορός : 'dance' which is cognate with the ancient Greek art form of χορεία; see Chorea. The original meaning of the Greek word χορός may have been 'circle'...

, a traditional Romania folk dance, to celebrate the admission of Romania

Romania

Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

 and Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

 as new state members to the European Union

European Union

The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...

. The festivities were joined by a host of European senior politicians -- European Parliament President Josep Borrell, European Enlargement Commissioner Olli Rehn, Romanian Prime Minister Popescu Tariceanu, the foreign ministers of Germany, Bulgaria and Denmark.