 Igor Stravinsky expressed great , but not uncritical , enthusiasm for Stockhausen 's music in the conversation books with Robert Craft ( e.g. , Craft and Stravinsky 1960 , 118 ) and for years organised private listening sessions with friends in his home where he played tapes of Stockhausen 's latest works ( Stravinsky 1984 , 356 ; Craft 2002 , 141 ) . In an interview published in March 1968 , however , he says of an unidentified person , 
