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% Ipse Jesus erat incipiensIpse Jesus erat incipiens
  2. 🔍 81% Et ipse Jesus eratEt ipse Jesus erat
  3. 🔍 68% Ipse JesusIpse Jesus
  4. 🔍 58% Ipse JesusIpse Jesus
  5. 🔍 57% Et ipse IesusEt ipse Iesus
  6. 🔍 54% Et ipse JesusEt ipse Jesus
  7. 🔍 48% Ipse IesusIpse Iesus
  8. 🔍 39% Jesus erat incipiensJesus erat incipiens
  9. 🔍 36% Jesus cum essetJesus cum esset
  10. 🔍 30% Et incipiens a MoyseEt incipiens a Moyse
  11. 🔍 30% Jesus autem cumJesus autem cum
  12. 🔍 28% Ductus est JesusDuctus est Jesus
  13. 🔍 27% Jesus autem cum jejunassetJesus autem cum jejunasset
  14. 🔍 26% Missus est GabrielMissus est Gabriel
  15. 🔍 25% Ipse praeibit ante illumIpse praeibit ante illum
  16. 🔍 25% Jesus... jejunassetJesus... jejunasset
  17. 🔍 25% Cum intraret Jesus in domumCum intraret Jesus in domum
  18. 🔍 24% Puer qui natus estPuer qui natus est
  19. 🔍 24% Stetit Jesus in medioStetit Jesus in medio
  20. 🔍 24% Sicut fuit JonasSicut fuit Jonas
  21. 🔍 24% Jesus autemJesus autem
  22. 🔍 23% Jesus autem transiensJesus autem transiens
  23. 🔍 23% Cognovit autemCognovit autem
  24. 🔍 23% Ibat Jesus in civitatemIbat Jesus in civitatem
  25. 🔍 23% Ibat JesusIbat Jesus
  26. 🔍 22% Cognovit autem paterCognovit autem pater
  27. 🔍 22% Ipse invocabit meIpse invocabit me
  28. 🔍 22% Angelus Domini descendebatAngelus Domini descendebat
  29. 🔍 22% Ductus estDuctus est
  30. 🔍 22% Missus est GabrielMissus est Gabriel
  31. 🔍 21% Pastores veneruntPastores venerunt
  32. 🔍 21% Jacob autem genuitJacob autem genuit
  33. 🔍 21% Joseph fili DavidJoseph fili David
  34. 🔍 21% Ne timeas Maria ... allel.Ne timeas Maria ... allel.
  35. 🔍 21% Ductus est JesusDuctus est Jesus
  36. 🔍 21% Erat quidam regulusErat quidam regulus
  37. 🔍 21% Et incipiens a Moyse 1Et incipiens a Moyse 1
  38. 🔍 21% Ipse enim PaterIpse enim Pater
  39. 🔍 21% Beata es MariaBeata es Maria
  40. 🔍 21% Angelus Domini apparuit (S. Jos.)Angelus Domini apparuit (S. Jos.)
  41. 🔍 21% At Jesus conversusAt Jesus conversus
  42. 🔍 21% Jacob autem genuitJacob autem genuit
  43. 🔍 20% Joseph opifex sancteJoseph opifex sancte
  44. 🔍 20% Ibat Jesus in civitatemIbat Jesus in civitatem
  45. 🔍 20% Jacob autem genuitJacob autem genuit
  46. 🔍 20% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  47. 🔍 20% Super te Jerusalem orieturSuper te Jerusalem orietur
  48. 🔍 20% Si culmenSi culmen
  49. 🔍 20% Angelus Domini apparuitAngelus Domini apparuit
  50. 🔍 20% At Jesus conversusAt Jesus conversus
  51. 🔍 20% Stans JesusStans Jesus
  52. 🔍 20% Puer JesusPuer Jesus
  53. 🔍 20% Maria stabatMaria stabat
  54. 🔍 20% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  55. 🔍 20% Et incipiens a MoyseEt incipiens a Moyse
  56. 🔍 20% Inclinavit se JesusInclinavit se Jesus
  57. 🔍 19% Mittite in dexteramMittite in dexteram
  58. 🔍 19% Ipse invocabit meIpse invocabit me
  59. 🔍 19% Reversus est AngelusReversus est Angelus
  60. 🔍 19% Surgens Jesus maneSurgens Jesus mane
  61. 🔍 19% Domine magnus esDomine magnus es
  62. 🔍 19% Veni Domine et noliVeni Domine et noli
  63. 🔍 19% Laudabo Deum meumLaudabo Deum meum
  64. 🔍 19% Stans JesusStans Jesus
  65. 🔍 19% Angelus Domini descendebatAngelus Domini descendebat