The singer's name is Флиза Назырова
The song's name is Уртак Сер
The language is Tatar (Tatar is a region which belongs to Russia)
The playing link:
http://www.tudou.com/programs/view/LFD2s79g_wU/
What I do not know are the lyrics and the meaning of those lyrics. Anybody (esp. Russian or Slavic language speakers) could help me find them ? Thank you in advance.