Writing a few decades later in about NUMBER@1 , the MISC@1 composer and music theorist PERSON@1 reaffirmed the powerful influence PERSON@2 had , stressing the `` new art '' that PERSON@2 had inspired .

The MISC@1 composer and music theorist PERSON@1 wrote in NUMBER@1 that he was the most important musician of new music which had started in LOCATION@1 .
