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	Nils Vigeland (piano) Morton Feldman - For Christian Wolff, for flute and piano/celesta (1986) Eberhard Blum (flute), Nils Vigeland (piano) Recording - June 16-17, 1992, Berlin. (2) Morton Feldman - Crippled Simmetry (1983) Eberhard Blum (flute), Nils Vigeland (piano), Jan Williams (percussion) Entry - September 14 15, 1990, Cologne. (5) John Cage - Music for ________, for any composition (1984-87), JC.249 Marianna Schroeder (piano), Frances-Marie Uitti (cello), Eberhard Blum (flute), Nils Vigeland (piano) w/ Robyn Schulkowsky, percussion (5) Morton Feldman - Why Patterns? for Flute, Piano and Bells (1978) Eberhard Blum (flute), Nils Vigeland (piano), Jan Williams (percussion) Entry - September 14 15, 1990, Cologne. (6) John Cage - 45` for a Speaker (1954), JC.135a Frances-Marie Uitti (cello), Marianna Schroeder (piano), Nils Vigeland (piano) 45` for a Speaker - F.-M. Whitty, 34`46.776` For a Pianist - Marianne Schroeder, 31`57.9864` For a Pianist - Niels Vigeland, 27`10.554` For a Percussionist - Robin Shulkowski, 26`1.1499` For a String Player - F.-M. Whitty. 1991 (1) John Cage - Winter Music, for piano (1957), JC.144 Steffen Schleiermacher (piano), Nils Vigeland (piano) First recordibg for four pianos. Mats Person, Kristin Scholz - piano. Recording - February 11 12, 1992, Frankfurt. (0)