Allegra Festival Orchestra is selected from the most prestigious orchestras in Bulgaria, often including guest musicians from the international stage. Every year the orchestra comes together to transform the festival into a celebration of music with soloists such as Svetlin Roussev, Sergey Malov, Lazslo Fenyo, Albena Danailova, Valeriy Sokolov and under the masterful baton of Johannes Schlaefli, Nicolas Pasquet, Ralf Weikart, Eckhart Wycik, Johannes Klump and Martin Sieghart.