Complex sentence: In November 2010, Dalma entered the track "Song for Him" for the Eurovision Song Contest 2011 and it passed the pre-selection stage, entering the Romanian national final on the New Year's Eve, on December 31.
Split into simpler sentences: In November 2010, Dalma entered a song for the Eurovision Song Contest 2011 and it passed the pre-selection stage, entering the Romanian national final. Dalma is supposed to sing her entry on the New Year's Eve, on December 31.