Participating choirs


  • Schola Resupina
    • This ladies schola was formed in Vienna in 2004 and is conducted by Isabell Köstler.
    • The eight members of this schola were schooled in singing and musical education in institutions in Vienna, Stuttgart, Nürnberg, Dresden, Krakow, Zagreb and Tokio.
    • All the singers are professionally active as choir conductors, organists or music scholars and focus a. o. on the study of Gregorian manuscripts.
    • Apart from regular tasks in the liturgy in a number of churches in Vienna, the ensemble performed abroad: in Germany, Belgium, Slovakia, Hungary and Greece.



  • Schola de la Cathédrale Saint Pierre et Paul de Lubumbashi
    • The Latin Choir of the Saint Peter- and Paul’s Cathedral at Lumumbashi, capital city of Haut-Katanga, was founded in 1978 to participate actively in the liturgy of the archbishopric.
    • Forty years later, in 2018, a specific Gregorian Schola, emerging from this choir, was formed.
    • Pedro Kabwe is the conductor.


  • Pražská katedrální schola
    • The Gregorian Schola of Prague Cathedral was brought to life by Jiri Hodina, singer and music pedague. He studied Gregorian chant and choir conducting at the Paris Conservatoire with Louis-Marie Vigne. For sixteen years he was a member of the Schola Gregoriana Pragensis conducted by David Eben.
    • The members of this mixed schola are either professional or amateur singers. Every fortnight they sing the liturgie (mass and officium) and in this way they continue, on a high musical level, a tradition that has been practised ever since the second half of the fourteenth century in the Saint Vitus Cathedral.



  • Püha Miikaeli poistekoor (boys choir)
    • The choir is conducted by Kadri Hunt and Karin Veissmann.
    • It is the school choir (60 singers) of the Vanalinna Hariduskolleegium in Talinn.
    • The school aims to introducing to students the history of Christian liturgy, its music and its value for today’s society.
    • The repertoire consists of Gregorian chant, early polyphony and Estonian sacred and folk music with instrumental accompaniment when required.
    • The chief conductor is also a composer and a soloist with Vox Clamantis. She produced more than 30 CDs with her various ensembles (also jazz and children’s music).
  • Vox Clamantis
    • Vox Clamantis was founded in 1996 and is conducted by Jaan-Eik Tulve.
    • This professional men’s schola from Tallinn, consists of singers, composers, instrumentalists and conductors, all of them interested in Gregorian chant.
    • This ensemble produces a virile and extremely nuanced authentic sound with a remarkable feeling for timbre, expressivity en melody line.
    • Its repertoire contains early music and, via Franz Liszt, also includes contemporary compositions inspired by Gregorian chant. A number of Estonian composers, including Arvo Pärt, Helena Tulve en Erkki-Sven Tüür, wrote music for Vox Clamantis.
    • Vox Clamantis was honored with the diapason d’Or for the CD “Via Crucis” from Franz Liszt” in 2013, and in 2014 with the Grammy-Award for the CD “Adam’s Lament” composed by Arvo Pärt”.



  • Choeur Grégorien de Paris (ladies’ schola)
    • Sowon Kim is since 2018 the conductor of this ensemble. She was born in Daegu, South Korea in 1993.
    • As a member of the children’s choir “Pueri Cantores of Daegu” since she was eight, Sowon Kim discovered the beauty of Gregorian chant and the polyphonic repertoire. In 2011 she came to Paris for the study of Gregorian chant. She received a diploma from L’ école du choeur grégorien de Paris.  Later on she studied musicology and lyrical singing in Paris Sorbonne.
    • With its remarkable international profile, this choir unites musicians from diverse parts of the world: France, Poland, Madagascar, Taiwan, Korea and Columbia. Some of the singers teach or study at conservatoires in Paris.
    • Thanks to intensive rehearsing and performances on a weekly basis in liturgical context with a fixed number of (the same) singers this schola boasts a well-balanced choir sound and a rich practice based on experience.
  • Les Chantres du Choeur Grégorien de Paris
    • The Choeur Grégorien de Paris is a semi-professional men’s schola with strong liturgical practice in both the mass and the officium repertoires.
    • Every year it welcomes numerous foreign students in the schola for profound musical training and choir conducting. Rija Randriamampionona from Madagascar is the conductor now.
    • The choir is active in the course ‘Gregorian Choir Conducting’ at the Conservatoire national supérieur de musique et de danse de Paris.
    • It is responsible for the École du Choeur grégorien de Paris.
    • The ensemble has produced numerous CDs and made concert trips in various countries.
    • It helped with the founding of a large number of foreign ensenmbles (Vox Clamantis, Schola Gregoriana Pragensis, etc.).
  • Monastic Schola
    • Benedictine schola formed for this festival specifically, in order to bring a live testimony of the vitality of Gregorian chant as a sung prayer.
    • Some sixteen monks from diverse abbeys, most of them belonging to the Solesmes congregation and familiar with the daily liturgical officium practice will participate in this project (Le Barroux, En Calcat, Fontgombault, Kergonan, La Garde, Ligugé, Maylis, Pluscarden, Quarr, Randol, Saint-Wandrille, Solesmes, Triors and Wisques) .
    • The conductor will be Dom Xavier Perrin. He has been the abbot of Quarr Abbey (Ilse of Wight UK) since 2016. Before that he was Prior, choir conductor and organist at the Abbey of Kergonan in Brittany, France.



  • Iubilate
    • This girls’ choir is conducted by Ferenc Sapszon (Budapest).
    • It is part of one of the most famous choir schools “Kodály Zoltán Magyar Kórusiskola” in Central- en East-Europe.
    • The choir was honoured with first prizes, and other distinctions at festivals in Italy and Austria, so e.g. in Rome in 2016 at the Festival “Musica Eterna Roma”.
    • It follows the Hungarian choir tradition in the spirit of Kodály Zoltán (music pedagogue and important composer).
    • Repertoire: from gregorian chant to modern choir music.

  • Cantate
    • This mixed ensemble was formed by former singers of Iubilate and students at diverse schools for further education in Budapest. Ferenc Sapszon is the conductor.
    • The former singers of Iubilate were formed at one of the most famous choir schools in Central and Eastern Europe: “Kodály Zoltán Magyar Kórusiskola”.
    • Cantate and Iubilate often cooperate. With its impressive cast of singers, the choir was honoured at festivals in Italy, Austria, and other countries.
    • It follows the Hungarian choir tradition in the spirit of Kodály Zoltán (music pedagogue and important composer).
    • Repertoire from Gregorian chant up to today’s music.



  • Graces & Voices
    • Graces & Voices was founded in 2011 by two young conductors – Adrija Čepaitė and Antanina Kalechyts – both alumnae of the University of Music and Performing Arts in Graz (Austria).
    • This international female vocal Ensemble consists of professional musicians from Austria, Belarus, Latvia and Lithuania.
    • Members of the ensemble gained degrees of Church music, Gregorian chant, conducting, organ, violin and piano from various music institutions in Europe.
    • The ensemble has distinguished itself with expressive interpretation of Gregorian chant as well as performance of demanding solo parts.
    • Alongside Gregorian chant, the repertoire also includes sacred polyphony and contemporary compositions dedicated to Graces & Voices.



  • Les Filles du Sacré Coeur
    • The schola, founded in 2002, is conducted by Hiroko Watanabe.
    • It is a choir of young ladies who are alumnae of the University “Sacré Coeur” in Tokyo.



  • Pueri Cantores of Daegu
    • This youth choir is conducted by Sr. Catharina J.S. Kim.
    • Twenty young people follow Sunday courses with instrumental and choir practice in the oral tradition as practised at the European cathedral schools in the early Middle Ages.
    • This practice is related to the Asian culture of singing imitation without written notation.
    • Repertoire: Gregorian chant, early and modern polyphony and instrumental bell sounds.
    • Quite a few students continue their studies in Europe and in the USA to build their further musical career.

    • Sowon Kim
      • Sowon Kim is soloist with the Choeur Grégorien de Paris (Ladies’ voices).
      • She came into contact with Gregorian chant as a member of the youth choir Pueri Cantores at Daegu.
      • She studied Gregorian chant at the Conservatoire national supérieur de musique et de danse and at the École du Choeur Grégorien de Paris.
      • She further studied lyrical singing at the Sorbonne in Paris.



  • Schola Cantorum Riga
    • The founder and artistic director of the Schola Cantorum Riga, Guntars Pranis, is conductor, singer and musicologist.  He earned his PhD in 2015 for the thesis on the sacred music of medieval Riga. He is professor at the Jazeps Vītols Latvian Academy of Music and  the rector of this institution since 2017.
    • For more than two decades, the Schola Cantorum Riga, a vocal professional ensemble, has actively performed Gregorian chant and other early repertoires, the interpretations being based on the studies of  early neume manuscripts. Over the course of time it has established a very broad and diverse repertoire.
    • One of the main goals for the ensemble is to perform at a high level of artistic and professional quality, as has been seen in the ensemble’s many concerts in Latvia and abroad and in regular recordings of music.  Although the singers mostly perform Medieval music, they have also frequently performed modern opuses by composers such as Rihards Dubra, Nick Gotham, Renate Stivrina, Henning Sommero and others.  Often the compositions have been composed specifically for Schola Cantorum Riga.

  • Vox Iubilantis
    • The Schola Cantorum Vox Iubilantis was founded in 2017 by Laine Tabora, who studied Gregorian chant at the Pontifical Institute of Sacred Music in Rome, Italy.
    • This female vocal ensemble consists of professional musicians who perform Gregorian chant at a high level, interpreting it based on ancient neumatic manuscript notations, paleography and semiology.
    • Vox Iubilantis also promotes Gregorian chant by performing the sacred music repertoire of other musical periods such as late polyphony, English Renaissance and contemporary music written by composers who were inspired by Gregorian chant.
    • The choir is often invited to sing in liturgical services of various confessions and regularly creates new concert programs in collaboration with other musical ensembles, conductors and instrumentalists. They regularly participate in early music festivals both in Latvia and abroad.



    • Wishful Singing
      • Five female singers with a classical vocal training combine in their concerts a cappella singing, with a convincing story and a theatrical performance on the highest level.
      • They boast a large repertoire consisting of Renaisance and Baroc music, but also including folk music and close harmony.
      • The ensemble perform in Dutch theatres such as the Concert Hall in Amsterdam, but also in festivals abroad such as the prestigeous City of London Festival. They have toured in Japan, the United States, Germany, Spain, Estonia and Italy. The ensemble also enchant their audiences with the timeless beauty of Gregorian chant.
      • In cooperation with Dutch popular cabaretier Herman Finkers, who favours and promotes the use of Gregorian chant in the liturgy, Wishful Singing brought Gregorian chant via the Missa in Mysterium and the Vespers in Mysterium to large audiences in a surprising  and renovating way.
      • A Missa in Mysterium consists of celebrating mass in a way where by the congregation joins the choir in singing Gregorian chant. A group of students, for whom Gregorian chant is unknown, cooperate in preparing and celebrating mass. The music is studied in advance. Special attention is paid to the ‘pulchrum’, the beauty. This initiative helps to bring Gregorian Chant as liturgical music renewed  to the attention in The Netherlands. It boasts intensive media attention and is rediscovered in chockful churches.                                                  



  • Schola Sanctae Sunnivae
    • This schola, consisting of 16 ladies, all of them with professional vocal background, has been conducted by Anne Kleivset since its foundation in 1992.
    • The ensemble focuses on the revival of the heritage of the Norwegian Gregorian repertoire, more specifically the Nidaros or the medieval Trondheim repertoire, to be found in the manuscripts conserved in the Royal Library at Copenhagen.
    • The Schola Sanctae Sunnivae is closely linked to Nidaros Cathedral in Trondheim. Yet the schola has developed an astonishing affinity with the Western European tradition.
    • In their way of singing numerous links with Norwegian folk tradition can be noticed.



  • Mulierum Schola Gregoriana Clamaverunt Iusti
    • Since its foundation in 2007, this ladies’ schola has been conducted by Michal Slawecki, who studied Gregorian chant in Italy with Nino Albarosa and Alberto Turco. He is university lecturer, conductor, composer and organist.
    • The members of this ladies’ ensemble are all graduates in musicology at the Cardinal Stefan Wyszynsky University and at the Fryderyk Chopin University in Warsaw.
    • Their intention is to develop a particular vocal timbre, starting from Dom Eugene Cardine’s approach and the practice at the Benedictine Abbey at Solesmes
    • They have produced numerous concerts and take part in solemn liturgies.
    • The album Verbum Incarnatum (Gregorian and Ambrosian chant with saxophone improvisations by Pawel Gusnar) was chosen the album of the year and won in 2016 the Phonographic Academy Fryderyk award in the early musique category.

  • Schola Gregoriana Cardinalis Stephani Wyszynski
    • This professional men’s choir was founded in 2013 by Michal Slawecki, professor at the Fryderyk Chopin University of Music (Warsaw) and dean of the Church Music Faculty.
    • The repertoire consists of classical Gregorian as well of post-classical works and of compositions from the medieval Pauline archives.
    • In 2014 the ensemble was awarded with the Grand Prix at the 6th All-Poland competition “Ars Liturgica” in Gniezno and won in 2015 the 43rd International Choir Festival in Olomouc.

  • Flores Rosarum
    • Vocal Ladies ensemble formed at Krakow in 2007 by Sr. Susi Ferfoglia and a group of singers fascinated by the music of Hildegard von Bingen.
    • By the meticulous study of the medieval manuscripts and of the liturgical, historical and social context of her compositions the ensemble bring an interpretation of her work which is as close to the original sources as possible. De focus lies herewith on the performance of her most important composition ‘Ordo Virtutum’: music theatre avant la lettre.
    • The ensemble also focuses on music to be found in the archives of Krakow Cathedral and in a number of convents in Krakow.



  • Schola Antiqua
    • Schola Antiqua is a men’s schola conducted by Juan Carlos Asensio since its foundation in 1984.
    • All its members were formed as choir singers at the Escolania del Valle de los Caidos.
    • The schola concentrates on sources study and performance of Gregorian chant and early music such as Beneventian, Mosarabic and Ambrosian chant and of early polyphony; also alternatim practice often occurs in their programs.
    • The schola has an extenisve discography with numerous recordings with a.o. La Colombina,  l’Ensemble Plus Ultra, l’ Ensemble Baroque de Limoges, La Grande Chapelle,   The Voices Ingles,  The Venetian, The Tallis Scholars ....



  • Schola Gregoriana of the Pontificium Institutum Musicae Sacrae (PIMS)
    • This choir is conducted by Franz Karl Prassl, Head of the Gregorian chant faculty at PIMS.
    • The Schola Gregoriana of the Papal Institute for Sacred Music was founded in 1911. Benedictine monk Eugene Cardine, who opened up the way to authentic interpretation based on the oldest manuscripts, led the Schola Gregoriana for many years.
    • Foreign students from many nations, most of them clerics, teach Gregorian chant in priest seminars, cathedrals and institutions for sacred music in their own bishoprics after their studies in Rome.
    • The schola cooperates with Radio Vatican and sometimes takes part in papal liturgy together with the Sixtine Chapel.
    • The schola sings regulary in different Roman churches, e.g. in Santa Maria dell’Anima near Piazza Navona in liturgies and has developed greater concert activities in Italy and different European countries and the US.



    • Psallentes
      • Psallentes was a professional men’s ensemble at the start, founded in 2000 and conducted by Hendrik Vanden Abeele.
      • In 2007 a ladies’ ensemble was formed: Psallentes.
      • The ensemble specialize in Gregorian chant in its historic development with special focus on Late Medieval Flemish and Northern French repertoire, which has made a relatively unknown repertoire available. Now also polyphony has become part of the repertoire

  • Gregoriaans Abdijkoor Grimbergen
    • The Gregorian Abbey Choir was formed in 1968 by late Father Gereon van Boesschoten, Norbertine, at the start as a support for he abbye community.
    • Every Sunday and on church holidays the choir sing during convent mass at 10 o’clock: the Gregorian proprium and ordinarium of that particular day following the premonstratenser musical tradition.
    • Thanks to the professional coaching by choir conductor and composer Vic Nees and organist Kamiel D’Hooghe the choir soon established a firm reputation both in Belgium and abroad.
    • The Belgian Royal Family asked the choir to sing at the funerals of King Boudewijn and Queen Fabiola.
    • Conducted by Father Gereon van Boesschoten and coached by Vic Nees the choir produced 6 CDs.
    • Since the sudden death of Father Gereon in 2018, the choir has been conducted by Herman Raspoet.

  • Schola Gregoriana Cantabo
    • Cantabo was founded in 1990 as a men’s schola linked to the Antwerp cathedral choir. Its home base is the Saint Paul’s Church in Antwerp.
    • The schola has been active for over thirty years in the Antwerp region and is now part of the Ekeren C-Choirs.
    • The choir applies itself to musical and music historical performances following the principles of semiology and aims at bringing a broad variety of Gregorian chant to the largest possible audience.
    • The activities of the schola are mainly situated in a liturgical context.
    • Apart from that, the choir produces concerts, also in cooperation with other choirs. Some of these concerts are “fusion-concerts”, a musical blending of Gregorian chant and other music styles (folk, blues, jazz, cabaret,…). Cantabo also takes part in a variety of choir music festivals and organizes workshops. Apart from singing in Belgium Cantabo sang in The Netherlands, France, the UK, Germany, Denmark, Italy, Spain and Czechia.

  • Antwerps Kathedraal Koor (Antwerp Cathedral Choir)
    • The Antwerps kathedraal koor and the Choraelhuys have been conducted by Sebastiaan van Steenberge since 2000.
    • The present choir with its most important task: the adornment of the weekly religious services in the cathedral, consists of some 80 singers. The youngest singers are in the third year of the primary school, the eldest study at the university.
    • The choir could be listened to during numerous concert trips all over Europe. They were honoured as Choir in Residence in Exeter Cathedral and Ely Cathedral.

  • Cum Jubilo
    • Cum Jubilo, conducted by Isabelle Theodon, is the ladies’ schola of Watou. The choir was established by Bernard Deheegher (chairman) in 1976..
    • The schola is liturgically active (holy mass and officium) especially in the Watou region, in the province of West-Flanders and in French Flanders.
    • The schola uses the Graduale Triplex for the mass repertoire.
    • Apart from that Cum Jubilo sings auditions and concerts focussing on certain themes such as Officium H. Winoc, Song of Songs, Advent, Meditative Passion, Ash Wednesday, Holy Mary etc.
    • Cum Jubilo is closely linked to the organization of the Gregorian Festval of Watou.

  • Robert Hostyn, organist of the festival
    • Is co-organist next to organ-player Jan Vermeire of the Our Lady’s of the Dunes Church at Koksijde. He operated frequently as an accompanist and soloist both in his own country and abroad.
    • Obtained first prizes at the Royal Conservatoires of Ghent and Brussels and also at the Lemmens Institute at Louvain. His schooling was completed by masterclasses with leading organists such as Bernard Winsemius, Ewald Kooiman, Kees van Houten, Ludger Lohmann and Martin Haselböck.
    • Was from 1972 to 2010 music teacher at the Conservatoire at Sea at Ostend for music culture, accompaniment practice, organ and harpsichord.
    • Publications : a biography about August Maekelberghe, the American organist, composer and conductor of Flemish origin and a number of contributions concerning the history and the construction of Ostend organs in ‘’Het Historisch Orgel in Vlaanderen” (The Historic Organ in Flanders)
    • Is a member of the Board of “Het Orgel in Vlaanderen”