 It has been suggested that the composer gave the earlier date in order not to be thought under the influence of Igor Stravinsky, whose music he came to know at first hand only during his first European visit in 1923 .On the other hand, a sketch page for the earlier composition almost certainly dating from 1916 includes drafts of material only incorporated later in "Uirapuru", in particular the octatonic "handsome indian theme", which suggests that such a scale was indeed already familiar to Villa-Lobos before his earliest contact with the music of Stravinsky .