Although a author of prolific production, the very best that may be said about his music was compiled by W. A. Mozart. (Evidently he idea the music to become very quite.) Being a talented oboist and viola da gamba participant, Fiala acceded to numerous channels. The professional circumstances that occupied Fiala included assistance towards the Countess Netolicka, the Elector Maximillian Joseph, the Archbishop of Salzburg, Catherine the fantastic, Prince Orlov, Friedrich Wilhelm II of Prussia and Prince Furstenburg. The final compositions Fiala had written had been for the blowing wind ensemble/orchestra of his prince.