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	Gerd Zacher (organ) Alexander Wustin - White Music for organ solo (1990) Gerd Zacher (organ) (6) Mauricio Kagel - Rrrrrrrr..., eight organ pieces (1981/1982) Gerd Zacher (organ) (4) Gyorgy Ligeti - 2 Studies for Organ Gerd Zacher (organ) Organ Study no.1 `Harmonies`. Gerd Zacher - organ. Label: Deutsche Grammophon. (0) Gyorgy Ligeti - Volumina for Organ `Fassung` Gerd Zacher (organ) Gerd Zacher - organ. Label: Deutsche Grammophon. (4) Mauricio Kagel - Improvisation Ajoutee Gerd Zacher (organ) (1) John Cage - ASLSP, for piano (1985), JC.255 Gerd Zacher (organ) CD 2011 (1)