‘5/4 Tango’ Ensemble was created at the initiative of Maestro Ludmil Angelov, a world known pianist with Bulgarian origin. Tango 5/4 Ensemble includes few other excellent musicians as the Serbian violinist Jovan Bogosavlievic, guitarist Tsvetan Nedyalkov, Margarita Kalcheva (double bass) and the first Bulgarian bandoneonist Stoyan Karaivanov, who is only 25 years old. The Ensemble manly is focused on performance of the tango music but also on the performance of the music by Astor Piazzolla.