Mahler: Symphony No.10 - Deryck Cooke Performing VersionAuthor: Philharmonia Orchestra Format: Box set Release Date: 12 04 2011 Details: In the course of preparing the booklet for the BBC's celebrations of Mahler's centenary in 1960, Deryck Cooke felt that he needed to do more than simply describe the unfinished state of the Tenth Symphony. Most of Mahler's sketches had been published by 1924, and Cooke discovered to his surprise that detailed study revealed much more than the incomplete and fragmentary