Mahler’s songs based on poems by Friedrich Rückert (1788 –1866) are not a cycle. The only link between them is that they were penned by the same poet. Mahler himself presented them in different selections and varying sequences, as well as together with Wunderhorn songs. As far as can be reconstructed today, they were written at different times: The oldest draft of Blicke mir nicht in die Lieder (Look not, love, on my work unended) is dated 14 June 1901. This means it was composed during the thea...