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% Jam lucis orto sidere (In tempore Passionis)

🔍 92% Jam lucis orto sidere (In Tempore Passionis)

🔍 79% Jam lucis orto sidere (Septem Dolorum)

🔍 75% Jam lucis orto sidere (In tempore Quadragesimae)

🔍 71% Jam Lucis Orto T.P.

🔍 69% Jam lucis orto sidere (Tempore Adventus)

🔍 69% Jam lucis orto sidere (ord. Sund.)

🔍 68% Jam lucis orto sidere (In Dom. et Minor. Festis)

🔍 67% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

🔍 65% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

🔍 65% Jam lucis orto sidere (In Adventu)

🔍 63% Iam lucis orto sidere

🔍 60% Jam lucis orto sidere (In Pentecoste)

🔍 59% Jam lucis orto sidere (In Tempore Ascensionis)

🔍 59% Jam lucis orto sidere (Tempore Epiphaniae)

🔍 58% Jam lucis orto sidere (Solemn feasts)

🔍 58% Jam lucis orto sidere (In Major. Festis)

🔍 58% Iam lucis orto sidere (solemnitatibus)

🔍 57% Jam lucis orto sidere (In tempore Paschali)

🔍 57% Jam lucis orto sidere (In Tempore Paschali)

🔍 57% Jam lucis orto sidere (In Epiphania Domini)

🔍 57% Jam lucis orto sidere (In Tempore Paschali)

🔍 57% Jam lucis orto sidere (In Quadragesima)

🔍 57% Rerum Deus tenax vigor (In tempore Passionis)

🔍 56% Rerum Deus (In Tempore Passionis)

🔍 56% Christe caelorum Domine

🔍 56% Te lucis ante terminum (In tempore Passionis)

🔍 55% Dei fide

🔍 55% Jam lucis orto sidere (Festis Majoribus)

🔍 55% Jam lucis orto sidere (In Pentecoste)

🔍 55% Nunc Sancte nobis (In Tempore Passionis)

🔍 54% Qua Christus hora sitiit

🔍 54% Rector potens (In Tempore Passionis)

🔍 54% Rector potens verax Deus (In tempore Passionis)

🔍 54% Nunc Sancte nobis (In Tempore Passionis)

🔍 54% Ternis ter horis

🔍 53% Summae Deus clementiae septem

🔍 53% Te lucis ante terminum (Temp. Passionis)

🔍 53% Jam lucis orto sidere (Solemnitatibus)

🔍 53% Nunc Sancte nobis Spiritus (Temp. Passionis)

🔍 53% Summae Deus clemtiae

🔍 52% Summae Deus clementiae

🔍 52% Jam lucis orto sidere (Tempore Nativitatis)

🔍 52% Jam lucis orto sidere (In Festo Pentecostes)

🔍 52% Jam lucis orto sidere (Dominicis per Annum)

🔍 52% Summae Deus clementiae septem

🔍 51% Te lucis ante terminum (Passiontide)

🔍 51% Jam lucis orto sidere (In festis BMV)

🔍 51% Rerum Deus tenax vigor (Septem Dolorum)

🔍 51% Rerum Deus (in Festo Septem Dolorum BMV)

🔍 51% Jam lucis orto sidere (Festis Minoribus per annum)

🔍 50% Te lucis ante terminum (Septem Dolorum)

🔍 50% Jam lucis orto sidere (In Festo S. Cordis Jesu)

🔍 49% Nunc sancte nobis Spiritus (Septem Dolorum)

🔍 49% Nunc Sancte nobis (In Festo Septem Dolorum BMV)

🔍 49% Rector potens (in Festo Septem Dolorum BMV)

🔍 48% Jam lucis orto sidere (in Nativitate Domini)

🔍 48% Jam lucis orto sidere (In Festo Corporis Christi)

🔍 48% Rector potens verax Deus (Septem Dolorum)

🔍 48% Jam lucis orto sidere (In Festo S. Cordis Jesu)

🔍 47% Jam lucis orto sidere (In Ascensione)

🔍 46% Praefatio solemnior de Ecclesiae Dedicatione

🔍 45% Jam lucis orto sidere

🔍 44% Jam lucis orto sidere (In Ascensione)

🔍 44% Praefatio solemnior de Adventu
