G. I. Gurdjieff travelled for many years through Central Asia and the Middle East collecting melodies and ritual dances, which his friend and pupil Thomas de Hartmann wrote down and arranged as piano pieces.

First Series: Prayer - Pity for One's Self - Laudamus - Hymn for Christmas Day - Joyous Hymn - As if the Stormy Years had Passed - Rejoice, Beelzebub! - Prayer for Mercy - Holy Affirming, Holy Denying, Holy Reconciling - Orthodox Hymn for a Midnight Service Second Series: Reading from a Sacred Book - Prayer and Despair - Religious Ceremony - Prayer of Gratitude - Orthodox Hymn from Asia Minor - Prayer and Procession - Easter Hymn - Hymn for Good Friday - Tibi Cantamus, No. 2 - Alleluia - Hymn for Christmas Day, No. 2 - Hymn to Our Endless Creator - Meditation - Night Procession Third Series: Tibi Cantamus No. 1 - Prayer - Hymn for Easter Thursday - Hymn for Easter Wednesday - Essene Hymn - Women's Prayer - Chant from a Holy Book - Vespers Hymn - The Resurrection of Christ - Easter Hymn and Procession in the Holy Night - Appendix: Prayer for Mercy - Tibi Cantamus No. 2 - Critical Notes - Notes critiques