 His interpretations were widely regarded as admirably clear and authoritative, though the orchestral playing did not always reach the highest international standards, and they differed notably from those of other famous 20th-century specialists, notably Pierre Monteux and Stravinsky himself.Ansermet disapproved of Stravinsky's practice of revising his works, and always played the original versions.Although famous for performing much modern music by other composers such as Arthur Honegger and Frank Martin, he avoided altogether the music of Arnold Schoenberg and his associates, even criticizing Stravinsky when he began to use twelve-tone techniques in his compositions.