David Robertson Young Artists Concert Perspectives: David Robertson Weill Music Institute Professional Training Workshop: David Robertson: Music of Messiaen and Varese This concert was the culmination of this professional training workshop, in which, from February 20 to 25, David Robertson worked with young musicians on Messiaen's "Oiseaux exotiques" and "Sept haikai" and Varese's "Deserts". chamber orchestra performance workshop 2006-02-25T19:30:00