モスクワ・フィルハーモニー管弦楽団
Simonov first conducted at the Bolshoi Theatre in 1969, and was named chief conductor of the company in February 1970, the youngest chief conductor in the company's history at that time. He held the post until 1985. In 1986, he established the USSR Maly State Orchestra, and subsequently made several commercial recordings with the ensemble. He became music director of the Moscow Philharmonic Orchestra in 1998.