His father became an invalid following service in the First World War and his son had to use his musical talent to assist in providing for the family.
His time at the Burgteater had also given him wide experience in managing a theatre and he had a considerable reputation as a composer and musician and was known for his fervent love of Austria, an advantage during the period of revival of national identity.
[7] The first post-war performance of the Staatsoper, Mozart's Figaro, took place at the Volksoper under the baton of Salmhofer and at the request of the Russian occupying forces on 1 May 1945.
[8] As director he was an astute and wily diplomat who was quickly able to revive the theatre that had been badly damaged during allied bombing of Vienna and which was temporarily relocated to the Theater an der Wien, where it remained for the following decade.
Some also regarded him as a 'progressive', but he was careful to avoid controversial themes that in the political mood of the 1930s and 1940s could have led to sanction of his works and, like many others of his generation, immigration or exile from his home country.