Question: Which of russian composer Igor Stravinsky's works was once conducted by Eduard Flipse, and featured avant-garde natured music?
Sentence (from "Eduard Flipse"): Eduard Flipse (26 February 1896 in Wissenkerke – 12 September 1973 in Breda) was a Dutch conductor and composer, the son of Cornelis Flipse and Geertje Kruis.
Relevant evidence: Yes