Prelude for Vova Opus 640, composed in 2012 for Vladimir Ashkenazy with a theme based on the first three letters of his name - A.S.H. A natural is the A, S or As in German musical notation is A flat (enharmonically G sharp) H in German musical notation is B natural For solo piano Duration 3 minutes First performance recorded by Vladimir Ashkenazy for release on Decca Classical, March 3rd 2014, for the album 'Walking in the Air - the Music of Howard Blake'