- Author Existence Failure: He left a sketch for, but did not complete orchestrating, what would have been Symphony No. 10. The sketch is detailed enough that various music scholars have taken up the task of completing it; it has been performed fairly often in several different arrangements. The most widely performed version is by British musicologist Deryck Cooke, which received the blessing of Mahler's widow Alma.
Trivia / Gustav Mahler