Scholarly edition of Mahler X

Seven fully-fledged performing versions of Gustav Mahler‘s last unfinished Tenth symphony have now been published, of all which have been commercially recorded at least once. These efforts, together with recent books and articles on the subject, indicate an unabated interest in Mahler X.
A fundamental question remains: how much of the music in any performing version is authentically Mahler’s? Until now this question could not be answered, because a complete, scholarly, chronologically ordered, annotated and user-friendly transcription of the source material, which unequivocally records the extent to which Mahler completed his Tenth Symphony, was not available. Such a reference text is now finally presented here. It endeavours to provide an insight into the chronology of Mahler’s notation, to help to clarify the development of Mahler’s own ideas and thus provide a scholarly grounding upon which future editors may base their editorial decisions. The transcription, presented in the Donemus publication for the first time in its entirety, eschews any additions that did not originate from Mahler himself. It is intended as an easily accessible and comprehensible reference work for the music scholar, aspiring conductor or Mahler devotee.
To assess both the quantity and quality of the surviving material requires the examination of autograph materials dispersed among five different libraries as well as familiarity with five distinct facsimile editions. The availability of three electronic libraries facilitated easy access to the material. However thorough understanding of the sketches and drafts, particularly as regards their interrelationship, can be attained only after extensive study. The present transcription enables the reader to consult on one single page and with utmost clarity all of the existing material pertaining to any given bar of the Tenth Symphony……
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(© by Aart van der Wal)
Symphony Nº 10: Chronological Transcriptions of the Sketches, Short Scores and Orchestral Drafts / Gustav Mahler; Frans Bouwman, editor
Symphony Nº 10 / Gustav Mahler; arranged for two pianos by Frans Bouwman