Why did Mahler end his symphony like this?

Why does the ending of Gustav Mahler's Symphony No. 7 sound so strange? In this episode of Chord of the Week, we explore the famous penultimate augmented chord that has puzzled listeners and musicologists for over a century. Is Mahler expressing doubt, irony, or simply having a little fun? We'll analyze the harmony, compare it with the endings of Mahler's other symphonies, and uncover why one seemingly simple chord has inspired so much debate.