Sofia Music Enterprises was "Arena Music" festival started 2002  and offers a variety of styles range from hard rock and heavy metal, pop, electro and world music to contemporary jazz. Headliners are one of the biggest stars of world music.

Over the years in the festival participated exceptional artists like JOE SATRIANI, STEREO MCS, SLAYER, HIM, WHITESNAKE, PETER GABRIEL, JUDAS PRIEST, QUEENSRYCHE, TRANSGLOBAL UNDERGROUND, BLACK LABEL SOCIETY, KRAFTWERK, MEGADEATH, BLACK SABBATH, DEPECHE MODE, IRON MAIDEN, MARILYN MANSON, MARK KNOFLER, MINISTRY, Mr. BIG, TARJA TURUNEN, MASSIVE ATACK, ELTON JOHN, BOB DYLAN, ROXETTE, STING ... whose concerts are attended by over 200,000 people!