As to what Schoenberg admired in Brahms- has anyone mentioned Schoenberg's
own essay, Brahms the Progressive, yet? Surely that provides a few clues.
Brahms' rhythmic freedom was also on the list of qualities admired by
Schoenberg, if I remember correctly (I may not!- I may be eliding in my
mind a Grove 5 example of hemiolas in the Brahms 2nd string quartet with
the sort of examples that occur in Schoenberg's essay, and merely assuming
that Schoenberg made some comment of the kind.  Can someone who remembers
the Schoenberg essay better than I help me out here?:):)

Eric Schissel
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http://www.lightlink.com/schissel ICQ#7279016