IsoGrego
Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.
Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.
🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.
Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.
🔍 100% Per omnia saecula saeculorum (1. Tonus solemnis)

🔍 92% Per omnia saecula saeculorum (3. Tonus solemnior)

🔍 91% Per omnia saecula saeculorum (2. Tonus ferialis)

🔍 87% Toni Praefationum (1. Tonus solemnis)

🔍 82% Toni Praefationum (3. Tonus solemnior)

🔍 74% Dominus vobiscum ... Sursum corda (B. tonus sollemnis)

🔍 72% Toni Praefationum (2. Tonus ferialis)

🔍 71% Dominus vobiscum

🔍 68% Dominus vobiscum ... Sursum corda (B. tonus sollemnis)

🔍 68% Praefatio solemnis de Quadragesima

🔍 68% Praefatio ferialis de sacratissimo Corde Iesu

🔍 68% Dominus vobiscum ... Sursum corda (A. tonus simplex)

🔍 67% Praefatio solemnis de Epiphania Domini

🔍 66% Praefatio solemnis communis

🔍 65% Praefatio de Dominicis per annum IV

🔍 65% Praefatio solemnis de Nativitate Domini

🔍 64% Praefatio de Dominicis per annum II

🔍 63% Praefatio solemnis paschalis

🔍 63% Praefatio solemnis de Ascensione Domini

🔍 63% Praefatio solemnis de Spiritu Sancto

🔍 62% Dominus vobiscum ... Sursum corda (A. tonus simplex)

🔍 62% Dominus vobiscum

🔍 62% Praefatio de D. N. Iesu Christo universorum Rege

🔍 61% Praefatio Paschalis II

🔍 61% Praefatio solemnis de Apostolis

🔍 61% Ad Praefationem in tono solemni

🔍 60% Praefatio de Dominica Passionis. Dominica in Palmis

🔍 60% Praefatio solemnior de Epiphania Domini

🔍 60% Per omnia ... Pax Domini

🔍 60% Praefatio solemnis de Angelis

🔍 60% Prex Eucharistica IV

🔍 59% Praefatio de Dominicis per annum V

🔍 59% Praefatio solemnior communis

🔍 59% Praefatio solemnis de sacratissimo Corde Iesu

🔍 59% Praefatio solemnior de Ascensione Domini

🔍 59% Praefatio solemnis de sanctissima Eucharistia

🔍 59% Praefatio solemnior de Nativitate Domini

🔍 59% Praefatio solemnior Paschalis

🔍 59% Praefatio solemnis de Adventu

🔍 59% Praefatio solemnis de beata Maria Virgine

🔍 59% Praefatio solemnis de sanctissima Trinitate

🔍 59% Praefatio solemnis de sancta Cruce

🔍 59% Praefatio solemnis de Martyribus

🔍 58% Praefatio de sollemnitate omnium sanctorum

🔍 58% Praefatio solemnior de Apostolis

🔍 58% Ad Praefationem in tono feriali

🔍 58% Praefatio solemnior de Angelis

🔍 58% Praefatio in Annuntiatione Domini die 25 martii

🔍 58% Praefatio solemnis de Martyribus

🔍 58% Praefatio solemnior de Spiritu Sancto

🔍 57% Praefatio de Quadragesima I

🔍 57% Praefatio solemnior de Quadragesima

🔍 57% Praefatio solemnior de sacratissimo Corde Iesu

🔍 57% Praefatio ferialis de Nativitate Domini

🔍 57% Praefatio de Dominica IV in Quadragesima

🔍 57% Praefatio solemnis de Omnibus Sanctis et Patronis

🔍 57% Praefatio solemnior de Adventu

🔍 56% Praefatio solemnis de sancto Ioanne Baptista

🔍 56% Praefatio in Praesentatione Domini

🔍 55% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

🔍 55% Praefatio solemnior de beata Maria Virgine

🔍 55% Praefatio solemnis de D. N. Iesu Christo Rege

🔍 55% Praefatio solemnis de nuptiis

🔍 55% Praefatio solemnior de sanctissima Eucharistia

🔍 55% Praefatio solemnior de sancta Cruce
