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: 2025-12-20. 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% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)
  2. 🔍 78% Rerum deus tenax vigor (In Festo S. Cordis Jesu)Rerum deus tenax vigor (In Festo S. Cordis Jesu)
  3. 🔍 76% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  4. 🔍 72% En ut superbaEn ut superba
  5. 🔍 70% Cor arca legem continensCor arca legem continens
  6. 🔍 69% Te lucis ante terminum (Sacred Heart)Te lucis ante terminum (Sacred Heart)
  7. 🔍 69% Nunc Sancte nobis (In Festo S. Cordis Jesu)Nunc Sancte nobis (In Festo S. Cordis Jesu)
  8. 🔍 65% Rector potens verax Deus (In Quadragesima)Rector potens verax Deus (In Quadragesima)
  9. 🔍 61% Rector potens (In Ascensione)Rector potens (In Ascensione)
  10. 🔍 60% Salvete, Christi vulneraSalvete, Christi vulnera
  11. 🔍 59% Rector PotensRector Potens
  12. 🔍 55% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  13. 🔍 55% Rector potens (In Tempore Passionis)Rector potens (In Tempore Passionis)
  14. 🔍 55% Rector potens (In Tempore Paschali)Rector potens (In Tempore Paschali)
  15. 🔍 54% Rector potens (In Dominicis per Annum)Rector potens (In Dominicis per Annum)
  16. 🔍 54% Rector potens verax Deus (In Ascensione)Rector potens verax Deus (In Ascensione)
  17. 🔍 54% Rector Potens (In Feriis per annum et Festis Simplicibus)Rector Potens (In Feriis per annum et Festis Simplicibus)
  18. 🔍 54% Rector potens (In Festis Majoribus)Rector potens (In Festis Majoribus)
  19. 🔍 53% Rector potens verax Deus (In Transfiguratione)Rector potens verax Deus (In Transfiguratione)
  20. 🔍 53% Rector potens verax Deus (In tempore Passionis)Rector potens verax Deus (In tempore Passionis)
  21. 🔍 52% Rector potens (In Adventu)Rector potens (In Adventu)
  22. 🔍 52% Rector potens verax Deus (In Major. Festis)Rector potens verax Deus (In Major. Festis)
  23. 🔍 52% Rector potens(In Festis Majoribus)Rector potens(In Festis Majoribus)
  24. 🔍 52% Rector potens verax Deus (In Fer. et Fest. Simpl.)Rector potens verax Deus (In Fer. et Fest. Simpl.)
  25. 🔍 52% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  26. 🔍 51% Rector potens (In Festis majoribus)Rector potens (In Festis majoribus)
  27. 🔍 51% Rector potens (In Adventu)Rector potens (In Adventu)
  28. 🔍 51% Rector potens (In Adventu)Rector potens (In Adventu)
  29. 🔍 51% Rector potens (in Feriis per Annum)Rector potens (in Feriis per Annum)
  30. 🔍 51% Rector potens (dom.)Rector potens (dom.)
  31. 🔍 50% Rector potens (In Dominicis per Annum)Rector potens (In Dominicis per Annum)
  32. 🔍 49% Rector potens verax Deus (in Dom. et Minor. Festis)Rector potens verax Deus (in Dom. et Minor. Festis)
  33. 🔍 48% En ut superba criminumEn ut superba criminum
  34. 🔍 48% Rector potens (in Festo Septem Dolorum BMV)Rector potens (in Festo Septem Dolorum BMV)
  35. 🔍 47% Rector potens (soll.)Rector potens (soll.)
  36. 🔍 47% Jesu auctor clementiaeJesu auctor clementiae
  37. 🔍 47% Cor arca legem continensCor arca legem continens
  38. 🔍 47% Rector potens (in Solemnitatibus)Rector potens (in Solemnitatibus)
  39. 🔍 47% Rector potens (Tempus Nativitatis)Rector potens (Tempus Nativitatis)
  40. 🔍 45% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  41. 🔍 45% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  42. 🔍 44% Rector potens (In Epiphania Domini)Rector potens (In Epiphania Domini)
  43. 🔍 44% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)
  44. 🔍 44% Rector potens verax Deus (In Pentecoste)Rector potens verax Deus (In Pentecoste)
  45. 🔍 44% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  46. 🔍 44% Rector potens verax deus (in memoriis)Rector potens verax deus (in memoriis)
  47. 🔍 44% Rector potens verax Deus (Septem Dolorum)Rector potens verax Deus (Septem Dolorum)
  48. 🔍 44% Rector potens verax Deus (In Feriis per annum)Rector potens verax Deus (In Feriis per annum)
  49. 🔍 43% Lux alma JesuLux alma Jesu
  50. 🔍 43% Rector potens verax Deus (In tempore Epiphaniae)Rector potens verax Deus (In tempore Epiphaniae)
  51. 🔍 43% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  52. 🔍 43% Rector potens (Adv.)Rector potens (Adv.)
  53. 🔍 42% Veni Creator SpiritusVeni Creator Spiritus
  54. 🔍 42% Rector potens (In Festo Christi Regis)Rector potens (In Festo Christi Regis)
  55. 🔍 42% Rector potens (In Festis Minoribus)Rector potens (In Festis Minoribus)
  56. 🔍 42% Rector Potens (In Nativitate Domini)Rector Potens (In Nativitate Domini)
  57. 🔍 41% Rector potens verax Deus (In tempore Nativitatis)Rector potens verax Deus (In tempore Nativitatis)
  58. 🔍 40% Rector potens verax Deus (In tempore Paschali)Rector potens verax Deus (In tempore Paschali)
  59. 🔍 40% Rector potens (In Tempore Paschali)Rector potens (In Tempore Paschali)
  60. 🔍 40% Rector potens (Dom.)Rector potens (Dom.)
  61. 🔍 40% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  62. 🔍 40% Rector potens (In Tempore Ascensionis)Rector potens (In Tempore Ascensionis)
  63. 🔍 40% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  64. 🔍 39% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  65. 🔍 39% Martine par ApostolisMartine par Apostolis