Collegium Musicum Judaicum Amsterdam ; Storosum, Chaim ; Choir of the Sisters of Zion ; Sister Marussia of the Order ; Archimandrite Cesarius with Seminary Choir ; Michael, Margeta Amda ; His Holiness Patriarch Anba Joseph with Choir of monks ; Nikolas ; Archimandrite Nathanael Shahade with Choir ; Seminary Choir of the Armenian Patriarchate, Jerusalem ; Kalaydjian, Sahag ; His Holiness Patriarch Basilius with Choir of children and monks ; Choir of the Syrian Church ; The Priest Abuna Ya'aqub ; Monsignore Jaques Ra'd ; Khuri, Etienne