For 10 points, identify this setting of four eighth-century Chinese poets by Gustav Mahler, concerned with the natural world and the "circle of life."
According to its score, a baritone can be substituted "if necessary" for the contralto soloist specified in the even-numbered movements of this work, which was conceived when its composer came across a Hans Bethge volume after being diagnosed with valvular malformation. Its sixth and final movement, "Farewell," is as long as the five that precede it. It starts off with a "Drinking Song of Misery," and includes movements entitled "On Youth" and "On Beauty." For 10 points, identify this setting of four eighth-century Chinese poets by Gustav Mahler, concerned with the natural world and the "circle of life."
According to its score, a baritone can be substituted "if necessary" for the contralto soloist specified in the even-numbered movements of this work, which was conceived when its composer came across a Hans Bethge volume after being diagnosed with valvular malformation.
Das {Lied von der Erde} [or The {Song of the Earth} or equivalents]