Complex sentence: His first ballet as artistic director of the Vienna State Opera was "Konzertantes Duo", which he premiered in September 1995 and in December of the same year he created "Mon Euridice" for Vladimir Malakhov.
Split into simpler sentences: His first ballet as artistic director of the Vienna State Opera was "Konzertantes Duo", which he premiered in September 1995. In December 1995, he created "Mon Euridice" for Vladimir Malakhov.