Later influence thumb|upright|Schoenberg painted Mahler's portrait in 1910. Donald Mitchell writes that Mahler's influence on succeeding generations of composers is "a complete subject in itself".Mitchell, Vol. II, pp. 373–374 Mahler's first disciples included Arnold Schoenberg and his pupils Alban Berg and Anton Webern, who together founded the Second Viennese School.Schonberg, pp. 256–258 Mahler's music influenced the trio's move from progressive tonalism to atonality (music without a key); although Mahler rejected atonality, he became a fierce defender of the bold originality of Schoenberg's work. At the premiere of the latter's First String Quartet in February 1907, Mahler reportedly was held back from physically attacking the hecklers.La Grange, Vol 3, pp. 608–609 Schoenberg's Serenade, Op. 24 (1923), Berg's Three Pieces for Orchestra (1915) and Webern's Six Pieces (1928) all carry echoes of Mahler's Seventh Symphony.Carr, p. 105 Mahler has also influenced the film scores of John Williams and other Hollywood composers.
later influence thumb|upright|schoenberg painted mahler's portrait in 1910 donald mitchell writes that mahler's influence on succeeding generations of composers is "a complete subject in itself"mitchell vol ii pp 373–374 mahler's first disciples included arnold schoenberg and his pupils alban berg and anton webern who together founded the second viennese schoolschonberg pp 256–258 mahler's music influenced the trio's move from progressive tonalism to atonality (music without a key); although mahler rejected atonality he became a fierce defender of the bold originality of schoenberg's work at the premiere of the latter's first string quartet in february 1907 mahler reportedly was held back from physically attacking the hecklersla grange vol 3 pp 608–609 schoenberg's serenade op 24 (1923) berg's three pieces for orchestra (1915) and webern's six pieces (1928) all carry echoes of mahler's seventh symphonycarr p 105 mahler has also influenced the film scores of john williams and other hollywood composers