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% Te lucis ante terminum (Pentecost)Te lucis ante terminum (Pentecost)
  2. 🔍 82% Te lucis ante terminum (In Festo Christi Regis)Te lucis ante terminum (In Festo Christi Regis)
  3. 🔍 72% Te lucis ante terminum (In Pentecoste)Te lucis ante terminum (In Pentecoste)
  4. 🔍 71% Te lucis ante terminum (in dominicis per annum)Te lucis ante terminum (in dominicis per annum)
  5. 🔍 69% Te lucis ante terminum (In Dom. et Minor. Festis per Annum)Te lucis ante terminum (In Dom. et Minor. Festis per Annum)
  6. 🔍 66% Te lucis ante terminum (Lent)Te lucis ante terminum (Lent)
  7. 🔍 66% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  8. 🔍 66% Te lucis ante terminum (In Fer. et Fest. Simpl.)Te lucis ante terminum (In Fer. et Fest. Simpl.)
  9. 🔍 66% Te lucis ante terminum (In Tempore Paschali)Te lucis ante terminum (In Tempore Paschali)
  10. 🔍 64% Te lucis ante terminum (In Quadragesima)Te lucis ante terminum (In Quadragesima)
  11. 🔍 62% Jam Christus astraJam Christus astra
  12. 🔍 62% Te lucis ante terminum (In Epiphania Domini)Te lucis ante terminum (In Epiphania Domini)
  13. 🔍 61% Te lucis ante terminum (Passiontide)Te lucis ante terminum (Passiontide)
  14. 🔍 61% Jam Christus astraJam Christus astra
  15. 🔍 59% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  16. 🔍 59% Te lucis ante terminum (Temp. Passionis)Te lucis ante terminum (Temp. Passionis)
  17. 🔍 58% Te lucis ante terminum (In tempore Passionis)Te lucis ante terminum (In tempore Passionis)
  18. 🔍 57% Vexilla ChristusVexilla Christus
  19. 🔍 56% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  20. 🔍 55% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)
  21. 🔍 55% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  22. 🔍 55% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  23. 🔍 55% Te lucis ante terminum (Sacred Heart)Te lucis ante terminum (Sacred Heart)
  24. 🔍 54% Te lucis ante terminum (T. Paschali)Te lucis ante terminum (T. Paschali)
  25. 🔍 54% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  26. 🔍 53% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  27. 🔍 50% Te lucis ante terminumTe lucis ante terminum
  28. 🔍 50% Te lucis ante terminum (In Epiphania)Te lucis ante terminum (In Epiphania)
  29. 🔍 48% Te lucis ante terminum (In tempore Paschali)Te lucis ante terminum (In tempore Paschali)
  30. 🔍 48% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  31. 🔍 48% Te lucis ante terminum (Septem Dolorum)Te lucis ante terminum (Septem Dolorum)
  32. 🔍 47% Te lucis ante terminum (Holy Family)Te lucis ante terminum (Holy Family)
  33. 🔍 47% Nunc Sancte nobis (In Festo Christi Regis)Nunc Sancte nobis (In Festo Christi Regis)
  34. 🔍 46% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  35. 🔍 46% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  36. 🔍 46% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  37. 🔍 45% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  38. 🔍 45% Veni Creator SpiritusVeni Creator Spiritus
  39. 🔍 45% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  40. 🔍 44% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  41. 🔍 44% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  42. 🔍 43% Te lucis ante terminum (In Feriis per Annum)Te lucis ante terminum (In Feriis per Annum)
  43. 🔍 43% Te lucis ante terminum (In Quadragesima)Te lucis ante terminum (In Quadragesima)
  44. 🔍 43% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  45. 🔍 42% Te lucis ante terminum (in Festis I classis)Te lucis ante terminum (in Festis I classis)
  46. 🔍 42% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  47. 🔍 41% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)
  48. 🔍 41% Te lucis ante terminum (In Dominicis per Annum)Te lucis ante terminum (In Dominicis per Annum)
  49. 🔍 41% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  50. 🔍 41% Te lucis ante terminum (In Festis Minoribus)Te lucis ante terminum (In Festis Minoribus)
  51. 🔍 41% Te lucis ante terminum (In Festo Corporis Christi)Te lucis ante terminum (In  Festo Corporis Christi)
  52. 🔍 40% Te lucis ante terminum (In Tempore Paschali)Te lucis ante terminum (In Tempore Paschali)
  53. 🔍 40% Te lucis ante terminum (In Epiphania Domini)Te lucis ante terminum (In Epiphania Domini)
  54. 🔍 39% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  55. 🔍 39% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  56. 🔍 39% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  57. 🔍 39% Rerum Deus tenax vigor (In Quadragesima)Rerum Deus tenax vigor (In Quadragesima)
  58. 🔍 38% Te lucis ante terminum (In Festis B M V )Te lucis ante terminum (In Festis B M V )
  59. 🔍 38% Ad regias Agni dapesAd regias Agni dapes
  60. 🔍 38% Rector potens verax Deus (In Quadragesima)Rector potens verax Deus (In Quadragesima)
  61. 🔍 38% Jam Christus astraJam Christus astra
  62. 🔍 38% Vexilla Christus inclytaVexilla Christus inclyta
  63. 🔍 38% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  64. 🔍 38% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  65. 🔍 37% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2