Pancho Haralanov Vladigerov (or Wladigeroff, Wladigerow, Vladiguerov, Vladigueroff; Bulgarian: Панчо Хараланов Владигеров [ˈpant͡ʃo xɐrɐˈɫanov vɫɐdiˈɡɛrof]; 13 March 1899 – 8 September 1978) was a Bulgarian composer, pedagogue, and pianist. Vladigerov is arguably the most influential Bulgarian composer of all time. He was one of the first to successfully combine idioms of Bulgarian folk music and classical music. Part of the so-called Second Generation Bulgarian Composers, he was among the founding members of the Bulgarian Contemporary Music Society (1933), which later became the Union of Bulg