GURDJIEFF / DE HARTMANN: COMPLETE MUSIC FOR THE PIANO - Klassiek.nl
Thomas de Hartmann: A Composer's Life
Hartmann's operation - Wikipedia
Why Has Ukranian Composer Thomas de Hartmann Been So Neglected?
Why Has Ukranian Composer Thomas de Hartmann Been So Neglected?
Fabulous de Hartmann Premieres on Toccata from Kuchar and the Lviv Philharmonic - Classics Today
The Music of Gurdjieff / de Hartmann
Gurdjieff / De Hartmann: Complete Music for the Piano - YouTube
The Music Of Gurdjieff / De Hartmann | Light In The Attic Records
Thomas de Hartmann - Vrije Geluiden - VPRO
Gurdjieff - De Hartmann Piano Music - YouTube
The Gurdjieff Legacy Foundation Archives
Thomas de Hartmann | Spotify
Gurdjieff - De Hartmann Piano Music - YouTube
Thomas De Hartmann music, videos, stats, and photos | Last.fm
Thomas de Hartmann (Composer, Arranger) - Short Biography
Gurdjieff - De Hartmann Vol 04: Meditation, par Alain Kremski - YouTube
Thomas de Hartmann on Apple Music
Thomas de Hartmann (Composer, Arranger) - Short Biography
The Thomas de Hartmann Project
Thomas de Hartmann
![Gurdjieff / De Hartmann - Persian Song [AUDIO] - YouTube](https://i.ytimg.com/vi/CKghwBTXbWA/hqdefault.jpg "Gurdjieff / De Hartmann - Persian Song [AUDIO] - YouTube")
Gurdjieff / De Hartmann - Persian Song [AUDIO] - YouTube
Sacred Honey | Alessandra Celletti
The Chamber Music of Thomas de Hartmann by Elan Sicroff on Apple Music
