Hymns, Modes
& Semiology
The deepest layer of the tradition. Level III takes you into the modal system that gives chant its spiritual character, the ancient hymns of the Office, and the medieval manuscript markings that reveal how chant truly wants to be sung.
Complete all three levels and receive your GCA Certificate of Formation. Learn more below.
You can sing the liturgy.
But what lies beneath it?
You have come a long way. You can read square notation, chant the psalm tones, navigate the Mass. You are already more formed than most people who love Gregorian Chant will ever become. But the deeper you go, the more you sense there is further to go still:
- You hear the eight modes described but still cannot reliably identify them by ear or understand what makes each one spiritually and musically distinct.
- You have sung the hymns of the Office but never studied the metres that govern their rhythm and shape their beauty.
- You know that the medieval manuscripts contain interpretive markings not found in modern editions, but you have never been shown how to read them or what they mean.
- You sense there is a level of understanding at which chant stops being something you perform and becomes something that forms you — and you want to reach it.
Semiology is not an add-on. It is the written record of the original singers speaking across thirteen centuries to tell you how it goes.
Having earned my Master’s in Music Performance, I can honestly say this course is equivalent to a two-semester upper-level university course — yet still accessible to beginners. It’s worth every penny and more.
Salma Horvath Master’s in Music Performance · Mother of six · USAThe ancient tradition
speaks for itself.
Level III is where formation becomes mastery. You will enter the modal system that gives every chant its character, study the classical hymns of the Divine Office in their original metres, and then go all the way into Paleography & Semiology — learning the 10th century manuscript markings of St Gall and Laon and how to interpret them.
The semiological tradition runs through Dom Andre Mocquerueau, Dom Eugne Cardine, Dom Jean Claire, Dom Daniel Saulnier and Msgr. Alberto Turco — Christopher has studied and worked directly with Dom Saulnier and indirectly with Msgr Turco. What you receive here comes directly from that living lineage.
“The most comprehensive course in Gregorian Chant. I highly recommend it, regardless of price. It’s worth way more than it costs.” — Sergio Ramón Topete Ubach, Mexico
The Gregorian Modes
The modal system is not theory for its own sake — it is the spiritual and musical logic that determines the character of every chant. Learn to hear, identify, and apply all eight modes with genuine comprehension.
The Hymns of the Office
The ancient hymns are built on classical Latin metres. Understanding those metres changes how you hear and sing them.
Semiology
The medieval neumes of St Gall and Laon contain interpretive detail that modern editions omit. Semiology is the discipline of reading those markings — and singing what the original cantors intended.
Complete Formation
Finishing Level III - along with Levels I and II - means you have received the most complete formation in Gregorian Chant available anywhere online. You will receive your GCA Certificate of Formation to mark that achievement.
Ready to go all the way?
Enroll in Level IIIThree modules.
The deepest layer
of the tradition.
The hymns of the Divine Office are among the oldest continuous vocal music in the Western world — and yet they are rarely taught with the depth they deserve. In this module you will study the classical Latin metres that govern their rhythm, including what to do with those itallicized hyper-metric syllables. You will understand why each hymn sounds the way it does, and how to sing them with the natural flow their texts demand.
The eight Gregorian modes are the tonal language of the entire chant repertoire. This module gives you a thorough grounding: what a mode is and how it works, the distinction between authentic and plagal modes, the four modal families, and a complete study of each of the eight modes in turn including melodic transposition, modal transposition and the three archaic "mother" modes. You will leave this module able to identify, understand, and work with any mode in the repertoire — a skill that transforms how you hear and sing every chant you encounter.
Semiology is the crown of Gregorian Chant study. It is the reading of the original medieval neumes — the manuscript markings left by the first singers — in manuscripts such as St Gall and Laon. These markings contain rhythmic and expressive information that later printed editions do not fully preserve. You will study paleography, the neumes of St Gall in depth, the Laon notation, and apply what you learn by singing real chant directly from the manuscripts: syllabic, neumatic, and melismatic. This is material of genuine scholarly depth, taught very accessibly, rooted in the Cardine–Turco lineage.
Lessons
Level III contains 34 structured lessons across three modules, including video lessons, quizzes, and applied chant study directly from medieval manuscripts. All content is self-paced with lifetime access. Optional 1-on-1 lessons with Christopher are available at any time.
Live, personal guidance
when you need it.
One of the most common frustrations with online music courses is the absence of a real teacher who can hear you, correct you, and guide you forward. At the GCA, that option is always available.
You can book a live 1-on-1 session directly with Christopher — for chant feedback, semiological guidance, vocal development, or simply to ask questions. You will be heard. You will be answered. You will improve faster.
Learn About 1-on-1 Lessons →Do you see yourself here?
You are not
alone in this.
Level III enrollment includes lifetime access to the Cantor’s Cloister — a private global community of serious chant students and singers. At this level, the community becomes especially valuable: you are working with material few people ever reach, and having a place to ask questions, hear others, and be encouraged matters.
- Monthly live Q&A and group chant practice with Christopher
- Exclusive GCA recordings and a growing resource library
- Live guest interviews with scholars, clergy, and musicians
- A worldwide community of cantors, singers, and sacred music lovers
If you are a priest, deacon, or member of a religious community, you are welcome to FREE access to all levels of the GCA formation — no questions asked. Simply email [email protected] and Christopher will send you a coupon code personally.
Voices from the formation
Having earned my Master’s in Music Performance, I can honestly say this course is equivalent to a two-semester upper-level university course — yet still accessible to beginners. A sacred music conference would barely scratch the surface of what this provides. It’s worth every penny and more.
Salma Horvath Master’s in Music Performance · Mother of six · USAMr. Christopher Jasper is a very knowledgeable and highly experienced Gregorianist. This is the most comprehensive course in Gregorian Chant. I highly recommend this course, regardless of price. It’s worth way more than it costs!
Sergio Ramón Topete Ubach MexicoThis course was a literal gift from God. The depth of Mr Jasper’s knowledge is clear, and this course offers me the reassurance of learning with a depth of understanding that would not otherwise be possible.
Dr. Ruth Butler Doctorate in Psychology · USAI went from zero knowledge and experience in Gregorian Chant to singing the complex offertory ‘Stetit Angelus’ and Alleluia ‘O Maria rubens rosa’ in only two months.
Anthony Hernandez USAStill have questions? Check the FAQ below, then enroll.
Begin Level III →
- Studied under Dom Daniel Saulnier — Abbey of Solesmes & Centre d’Études Supérieures, Tours
- Associate of Msgr. Alberto Turco — disciple of Eugène Cardine & Dom Jean Claire
- Associate of Prof. Giacomo Baroffio — former dean of the Pontifical Institute of Sacred Music
- Former Benedictine postulant — Monastery of Norcia, Italy
- 25+ years singing & directing sacred music in parishes & cathedrals
- Founder of the world’s first international online Gregorian Chant conference
Christopher
Jasper
Christopher Jasper trained under Dom Daniel Saulnier at the Abbey of Solesmes — the living centre of the 19th-century chant restoration — and at Le Centre d’Etudes Supérieures de la Renaissance in Tours, France. He lived as a Benedictine postulant at the Monastery of Norcia, Italy in 2014 and is a current Oblate of the Abbey. He has sung and directed sacred music in parishes and cathedrals for over 25 years.
His semiological formation comes directly from the Cardine lineage, through his personal training under Dom Saulnier and professional association with Msgr. Alberto Turco — student of both Dom Eugène Cardine and Dom Jean Claire.
Read the Full Story →Before you decide,
let me address this.
GCA Certificate
of Formation
Students who complete the full three-level formation — Levels I, II, and III — receive a Certificate of Formation from the Gregorian Chant Academy, personally signed by Christopher Jasper. It marks the completion of the most thorough online formation in Gregorian Chant available anywhere.
Go all the way
into the tradition.
Level III is where the formation is complete. Finish it, and you will have received everything this tradition has to give through the GCA — and a certificate to mark that you did.
Due to the significant cost of international sales tax compliance, enrollment is currently available to residents of the United States only. If you are outside the USA and wish to enroll, please contact Christopher directly at [email protected] — he will do his best to find a solution for you personally.
Chant has been sung continuously for fifteen centuries.
You have now learned how to sing it as those centuries intended.
Ad Majorem Dei Gloriam.