This publication was made by initiative of Georgios Theodoridis, Archon Music Instructor of the Greek Orthodox Archdiocese of America, Protopsaltis of Saint Sophia "The Holy Wisdom of God" Greek Orthodox Cathedral, Washington, DC for personal use and educational purpose. All translated hymns included in this book are taken from the GOARCH DCS platform and are used by permission. The musical text of these hymns is based upon the original scores of Petros Lampadarios (†1777), published in Volume III of the Mousikos Pandektis. Slight modifications and explanations of the above mentioned musical scores were made by the author of this publication to adapt the translated text and are based upon the oral tradition of chanters of the 20th and 21st century to result a better understanding of the chanted text.