`  ::::I would have thought so—at least, in this context. Of course, synonyms are not identities, and Griffiths uses ``method`` first, and ``technique only subsequently. Could this be significant?  ::::As to the ``number series`` business, I know of only a single source that would (partially) confirm this, and it is unfortunately not published. It was a lecture by Richard Toop at the Southbank Centre in November 2008 and he did not use the word ``series``—only ``numbers``. I immediately think of Stockhausen's Stimmung, which is a serial composition unquestionably governed by number sets—but are these numbers in ``series``? Aus den sieben Tagen is an even more worrisome case, since it has been shown to be serial, but numbers are scarcely involved at all. I shall have to ask Richard how this fits into his definition.—  `