This article offers a solution to a long-standing mystery surrounding the identity of a melody by Carinthian folkloric composer Thomas Koschat used by Mahler in his Fifth Symphony. It first places such musical reference in the broader scholarly context of Mahler and the volkstümlich. Evidence surrounding the chronology and sketches of the symphony as well as Mahler’s intersection with Koschat and the latter’s reception is assessed. Musical materials are analysed in order to identify the source of borrowing in Koschat’s Liederspiel Am Wörther See (1880), and to understand the key structural and expressive roles it plays in Mahler’s work. The article concludes by reflecting on the possible socio-cultural meaning and significance of this case of Mahlerian allusive practice.

中文翻译：

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“机器中的幽灵”：马勒第五交响曲中的托马斯·科夏特和大众

这篇文章为马勒在其第五交响曲中使用的卡林西亚民俗作曲家 Thomas Koschat 的旋律身份的长期谜团提供了一个解决方案。它首先将这种音乐参考置于更广泛的马勒学术背景中，人民群众. 围绕交响曲的年表和草图以及马勒与 Koschat 的交集以及后者的接受度的证据进行了评估。对音乐材料进行分析，以确定 Koschat 的 Liederspiel 中的借用来源Am Wörther See(1880)，并了解它在马勒作品中所起的关键结构和表达作用。文章最后通过反思马勒典故实践的这个案例可能的社会文化意义和意义。