S.E.M. ENSEMBLE @Paula Cooper Gallery CHRISTIAN WOLFF"Flutist (and) Percussionists","For John / Material" PETR KOTIK"In Four Parts", J.S. BACH"Sonata No. 1 in B-Minor", LEJAREN HILLER"String Quartet No. 5" ウォルフは2曲切れ目なく演奏。2曲…