Mahler is known for the length, depth, and painful emotions of his works. He loved nature and life and, based on early childhood experiences, feared death (family deaths, a suicide, and a brutal rape he witnessed). This duality appears in almost all his compositions, especially in the Kindertotenlieder ("Songs on the Deaths of Children"), which are actually about the loss of an innocent view of life.
Mahler's orchestral music is clear, complex, and full of musical imagery, from the heavenly to the banal (the family lived near a military barracks, so march tunes sometimes appear; an argument was associated with the sound of a hurdy-gurdy outside the window). The "program" in the incredible symphonies is therefore that of personal tragedy and hope projected onto a universal scale.
Mahler was one of the most important and influential conductors of the period. Although Mahler had originally studied piano and composition, he was not a virtuoso pianist and his student and youthful works were already too forward looking for him to win the conservative judged composition contests of the time. As a result, Mahler was