Editing George Gurdjieff (section)

====Music====
Gurdjieff's music is divided into three distinct periods. The "first period" is the early music, including music from the ballet ''Struggle of the Magicians'' and music for early movements dating to the years around 1918.

The "second period" music, for which Gurdjieff arguably became best known, written in collaboration with Russian-born composer [[Thomas de Hartmann]], is described as the Gurdjieff-de-Hartmann music.<ref>{{cite book|last1=Petsche|first1=Johanna|title=Gurdjieff and Music: The Gurdjieff/de Hartmann Piano Music and its Esoteric Significance|date=2015|publisher=Brill|location=Leiden|isbn=9789004284425|pages=1–279}}</ref><ref name="Inc.1999">{{cite book|last=Bambarger|first=Bradley|title=Billboard|url=https://books.google.com/books?id=iggEAAAAMBAJ&pg=PA60|access-date=14 April 2011|date=18 December 1999|publisher=Nielsen Business Media, Inc.|page=60|issn=0006-2510 }}</ref> Dating to the mid-1920s, it offers a rich repertoire with roots in Caucasian and Central Asian folk and religious music, Russian Orthodox liturgical music, and other sources. This music was often first heard in the salon at the Prieuré, where much was composed. Since the publication of four volumes of this piano repertoire by Schott, recently completed, there has been a wealth of new recordings, including orchestral versions of music prepared by Gurdjieff and de Hartmann for the Movements demonstrations of 1923–1924. Solo piano versions of these works have been recorded by [[Cecil Lytle]],<ref>{{cite web|url=http://provost.ucsd.edu/marshall/lytle/home/list.html |title=Cecil Lytle&nbsp;– List of Recordings |author=Lytle, Cecil |access-date=30 May 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110825063745/http://provost.ucsd.edu/marshall/lytle/home/list.html |archive-date=25 August 2011 }}</ref> [[Keith Jarrett]],<ref>{{cite web |url=http://www.jazzdisco.org/keith-jarrett/discography/ |title=Keith Jarrett Discography |author=Jazz Discography Project |access-date=30 May 2011 }}</ref> and [[Frederic Chiu]].<ref>{{Cite web|url=http://www.allmusic.com/album/hymns-dervishes-mw0002908235|title=Hymns and Dervishes Album at AllMusic|date=February 12, 2016|website=AllMusic|publisher=Centaur Records|access-date=2016-09-04}}</ref>

The "last musical period" is the improvised [[Pump organ|harmonium]] music which often followed the dinners Gurdjieff held at his Paris apartment during the Occupation and immediate post-war years to his death in 1949. In all, Gurdjieff in collaboration with de Hartmann composed some 200 pieces.<ref>{{Cite web|url=http://www.gurdjieff.org.uk/gs6.htm|archiveurl=https://web.archive.org/web/20120829231045/http://www.gurdjieff.org.uk/gs6.htm|url-status=dead|title=Gurdjieff.org|archivedate=August 29, 2012}}</ref> In May 2010, 38 minutes of unreleased solo piano music on [[Acetate disc|acetate]] was purchased by Neil Kempfer Stocker from the estate of his late step-daughter, Dushka Howarth. In 2009, pianist [[Elan Sicroff]] released ''Laudamus: The Music of Georges Ivanovitch Gurdjieff and Thomas de Hartmann'', consisting of a selection of Gurdjieff/de Hartmann collaborations (as well as three early romantic works composed by de Hartmann in his teens).<ref>{{Cite web|title=Elan Sicroff Albums and Discography|url=https://www.allmusic.com/artist/elan-sicroff-mn0000178692/discography|access-date=2023-03-20|website=AllMusic|language=en}}</ref> In 1998 [[Alessandra Celletti]] released "Hidden Sources<ref>{{Cite web|url=http://www.kha.it/Gurdjieff/gurdjieff_eng.htm|title=Hidden Sources|website=www.kha.it|access-date=2017-11-25|archive-url=https://web.archive.org/web/20160521222927/http://www.kha.it/Gurdjieff/gurdjieff_eng.htm|archive-date=2016-05-21|url-status=dead}}</ref>" (Kha Records) with 18 tracks by Gurdjieff/de Hartmann.

The English concert pianist and composer [[Helen Perkin]] (married name Helen Adie) came to Gurdjieff through [[P. D. Ouspensky|Ouspensky]] and first visited Gurdjieff in Paris after the war.<ref>{{ cite periodical
| url= https://www.gurdjieff.org/azize2.htm | last= Azize
| first= Joseph
| title=Helen Adie: An Appreciative Essay
| magazine=  The Gurdjieff International Review 
| volume= 6  | date=2003}}</ref> She and her husband George Adie emigrated to Australia in 1965 and established the Gurdjieff Society of [[Newport, Victoria|Newport]].<ref>Richards, Fiona. 'Helen Perkin: Pianist, Composer and Muse of John Ireland' (Chapter 11 of Foreman, Lewis (ed.), ''The John Ireland Companion'' (2011)</ref> Recordings of her performing music by [[Thomas de Hartmann]] were issued on CD. But she was also a Movements teacher and composed music for the Movements as well. Some of this music has been published and privately circulated.<ref>{{Cite web|date=2019-10-22|title=Helen Adie|url=https://gurdjieffclub.com/en/helen-ejdi/|access-date=2023-03-20|website=Gurdjieff Club|language=en-US}}</ref>