Mahler was an Austrian composer of the Romantic period. He was considered one of the great conductors of his generation. His musical style is a cross between Romanticism of the 19th century and modern music of the early 20th century. He graduated from the Vienna Conservatory and became director of the Vienna Court Opera. Toward the end of his conductinr career he served as conductor for the New York Metropolitan Opera and the New York Philharmonic.
Mahler's music became popular after 1945 and is today one of the most performed and recorded of all composers.