Background
Hirschler was born in Zagreb, to a Croatian Jewish family.
Hirschler was born in Zagreb, to a Croatian Jewish family.
He completed musical studies in 1917 at the Agram conservatory of the Croatian Music Institute in Zagreb.
Hirschler composed orchestral, piano, vocal and dramatic works, and showed a tendency towards popular music He was one of the most famous music critics in Zagreb between the two world wars. Hirschler was editor of Musician magazine.
With his writing in the Večernji vjesnik and Jutarnji list he closely followed Croatian composers.
As a Jew Hirschler faced persecution by Ustaše and Nazis. During the last days of his life, Hirschler didn"t leave his apartment.
He just had an intense correspondence with Paula Rendi, waiting for her to give him a pass so that he could cross over to a "free zone". That unfortunately never happened.
Hirschler wrote his last letters on September 12, 1941.
In one such letter, he dedicated a song to Rendi for her birthday. In late 1941 Hirschler was killed at the Jasenovac concentration camp. Operettas.