Alessandra Celletti released "Hidden Sources" (Kha Records) with 18 tracks by Gurdjieff/de Hartmann
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Alessandra Celletti released "Hidden Sources" (Kha Records) with 18 tracks by Gurdjieff/de Hartmann
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-22 from Wikipedia. The archived copy is preserved so this citation survives link rot.