Originally known as '''Filmový symfonický orchestr''' (FISYO, or Film Symphony Orchestra) which was on 1943-06-01; beginning in 1991, it began performing under the name '''Český symfonický orchestr''' (Czech Symphony Orchestra), before problems with the unauthorized use of the name by other Czech ensembles led to the change in 1992 to its present name '''Filharmonici města Prahy''' (City of Prague Philharmonic Orchestra, (given by music producer James Fitzpatrick).