In October 2009 , BNT announced that Miroslav Kostadinov would represent Bulgaria at the Eurovision Song Contest 2010 in Oslo , Norway . He sang the song " Angel si ti " ( Ангел си ти ) . It was the first song since 2007 to be sung in Bulgarian . However , for the third consecutive year , Bulgaria 's entry failed to qualify for the final , coming 15th out of 17 participants in the semifinal
Eurovision Song Contest 2010
Eurovision Song Contest 2010
Bulgaria in the Eurovision Song Contest