After the Russian Revolution the country no longer had a tsar. The town of Saint Petersburg changed its name to Petrograd, so the orchestra's name changed to "State Philharmonic Orchestra of Petrograd". In the 1920s the orchestra began to get money from the state. It was an excellent orchestra and was famous abroad. Guest conductors who conducted the orchestra included Bruno Walter, Ernest Ansermet and Hans Knappertsbusch at this time. Around this time the orchestra changed its name to Leningrad Philharmonic Orchestra, because the city had changed its name again, this time to "Leningrad".