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	Georg Glasl (zither) Bernhard Lang - Differenz/Wiederholung 19, `Monadologie I` (2007) Georg Glasl (zither), Pascal Rophe (conductor) , Vienna Radio Symphony Orchestra (ORF) (1) Bernhard Lang - Differenz/Wiederholung 15 `Songs/Preludes`, four songs for alto zither, voice and CD-player (2003) Martina Koppelstetter (mezzo-soprano), Georg Glasl (zither) (1) Klaus Lang - schwarzes licht., for Tsitra and Orchestra (2013) Georg Glasl (zither), Johannes Kalitzcke (conductor) , Bavarian Radio Symphony Orchestra (0)