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.

See, e.g.: 1961 Solesmes Liber Usualis

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.

  1. 🔍 100% Matris sub almaeMatris sub almae
  2. 🔍 93% Matris sub almae numineMatris sub almae numine
  3. 🔍 51% Gentis PolonaeGentis Polonae
  4. 🔍 47% Beata caeli gaudiaBeata caeli gaudia
  5. 🔍 47% Beata caeli gaudiaBeata caeli gaudia
  6. 🔍 45% Gentis Polonae gloriaGentis Polonae gloria
  7. 🔍 44% Jesu corona celsior (Impr. Stigmatum)Jesu corona celsior (Impr. Stigmatum)
  8. 🔍 44% Jesu corona celsior (In Ascensione)Jesu corona celsior (In Ascensione)
  9. 🔍 43% Jesu Corona celsior (Conf. non Pont.)Jesu Corona celsior (Conf. non Pont.)
  10. 🔍 43% Jesu corona celsior (Conf. non Pont.)Jesu corona celsior (Conf. non Pont.)
  11. 🔍 43% Te deprecante corporumTe deprecante corporum
  12. 🔍 43% Jesu corona celsior (In tempore Paschali)Jesu corona celsior (In tempore Paschali)
  13. 🔍 41% Beata caeli gaudiaBeata caeli gaudia
  14. 🔍 40% Corpus domas jejuniisCorpus domas jejuniis
  15. 🔍 39% Decus et norma omniumDecus et norma omnium
  16. 🔍 32% Matris sub almaeMatris sub almae
  17. 🔍 31% Festivis resonent compitaFestivis resonent compita
  18. 🔍 29% Mittit ad VirginemMittit ad Virginem
  19. 🔍 28% Gloria (ad lib.) II.Gloria (ad lib.) II.
  20. 🔍 27% Summi Parentis FilioSummi Parentis Filio
  21. 🔍 26% Exsultet jam AngelicaExsultet jam Angelica
  22. 🔍 26% A solis ortusA solis ortus
  23. 🔍 26% Hodie caelesti sponsoHodie caelesti sponso
  24. 🔍 26% Laetare caelum desuperLaetare caelum desuper
  25. 🔍 26% Alto ex Olympi verticeAlto ex Olympi vertice
  26. 🔍 26% Festivis resonent compitaFestivis resonent compita
  27. 🔍 25% Omnis expertemOmnis expertem
  28. 🔍 25% Ave lumenAve lumen
  29. 🔍 25% Omnis expertem maculaeOmnis expertem maculae
  30. 🔍 25% Festivis resonentFestivis resonent
  31. 🔍 25% Ego dixi DomineEgo dixi Domine
  32. 🔍 25% Languentibus in PurgatorioLanguentibus in Purgatorio
  33. 🔍 25% Veni Redemptor gentiumVeni Redemptor gentium
  34. 🔍 25% Jam Christus astra ascenderatJam Christus astra ascenderat
  35. 🔍 25% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  36. 🔍 25% Ad regias Agni dapesAd regias Agni dapes
  37. 🔍 25% Custodes hominumCustodes hominum
  38. 🔍 25% Ad regias Agni dapesAd regias Agni dapes
  39. 🔍 24% Lauda SionLauda Sion
  40. 🔍 24% Omnis expertemOmnis expertem
  41. 🔍 24% In voluntateIn voluntate
  42. 🔍 24% Esto mihiEsto mihi
  43. 🔍 24% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  44. 🔍 24% Jam sol recedit igneusJam sol recedit igneus
  45. 🔍 24% Salve Regina (simple tone)Salve Regina (simple tone)
  46. 🔍 24% Animam meamAnimam meam
  47. 🔍 24% Immense caeli Conditor (hiemalis)Immense caeli Conditor (hiemalis)
  48. 🔍 24% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  49. 🔍 24% Ad cenamAd cenam
  50. 🔍 24% Quam pulchre graditurQuam pulchre graditur
  51. 🔍 24% Lauda SionLauda Sion
  52. 🔍 24% Plasmator hominis Deus (hiemalis)Plasmator hominis Deus (hiemalis)
  53. 🔍 24% Ait Dominus DeusAit Dominus Deus
  54. 🔍 24% Gloria XVGloria XV
  55. 🔍 24% Te Mater almaTe Mater alma
  56. 🔍 24% Te Matrem laudamusTe Matrem laudamus
  57. 🔍 23% Sponso sponsa!Sponso sponsa!
  58. 🔍 23% Omnis expertemOmnis expertem
  59. 🔍 23% De profundis exclamantesDe profundis exclamantes
  60. 🔍 23% Salvete Christi vulneraSalvete Christi vulnera
  61. 🔍 23% Primo die quo TrinitasPrimo die quo Trinitas
  62. 🔍 23% Haec hora (Pentecostes)Haec hora (Pentecostes)
  63. 🔍 23% Ait Dominus Deus ad serpentemAit Dominus Deus ad serpentem
  64. 🔍 23% Salve Regina (in cantu simplici)Salve Regina (in cantu simplici)
  65. 🔍 23% ExsurgeExsurge