Stanko Arnold graduated at the Academy of Music in Ljubljana by Prof Anton Grčar and has already at the beginning of his studies become the trumpeter for the Slovene Philharmonic Orchestra. Later he also studied in Paris by Prof Roger Delmott. He won several awards: first prize at the competition for young artists in Zagreb and the international competition in Toulon (1976), in 1979 the second prize at the international competition Marice Andre in Paris and a special award for the best performance of Concertino by A. Jolivet. In Slovenia he received four awards: in 1980 the Župančič award for soloist performances, in 1982 the award of the Prešeren Fund as a member of the Slovenian brass quintet, in 1985 the award of the Prešeren Fund for soloist performances, in 1987 the Župančič award as member of the Slovenian brass quintet and in 2008 the grand Prežihov plaquette of the municipality of Ravne na Koroškem.

In 1968 he became the solo-trumpeter in the Slovene Philharmonic Orchestra until 1990 when he started permanently working as a professor at the Academy of Music in Ljubljana. So far he has recorded four solo-records, four records with chamber ensembles and many works for radio and TV stations. For many years he has performed as a chamber musician in different ensembles: Slovenian brass quintet, Brass trio with R. Vladkovič and B. Slokar, 10 of the Best (Allen Vizzutti, Otto Sauter, James Thompson...) and with organists: Ljerka Očić, Irena Chrybkova, Nicolas Kynaston, W. Neil, Kurt Neuhauser and Klaus Kuchling. During the recent years he ran many summer schools in Slovenia, Austria, Switzerland, Germany and Croatia. He was a jury member at national and international competitions. As a soloist he performed in Spain, France, Germany, Austria, Check Republic, Hungary, Russia, USA, Croatia and Japan with different symphonic and chamber orchestras.