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% AnnuntiateAnnuntiate
  2. 🔍 80% AnnuntiateAnnuntiate
  3. 🔍 76% AnnuntiateAnnuntiate
  4. 🔍 59% Ego diligentesEgo diligentes
  5. 🔍 57% NoliteNolite
  6. 🔍 57% Tu gloria JerusalemTu gloria Jerusalem
  7. 🔍 55% Qui seminantQui seminant
  8. 🔍 55% Tu gloriaTu gloria
  9. 🔍 54% Laudate... omnes gentesLaudate... omnes gentes
  10. 🔍 54% Meum est consiliumMeum est consilium
  11. 🔍 53% Surge DomineSurge Domine
  12. 🔍 53% ExspectabamExspectabam
  13. 🔍 52% De profundisDe profundis
  14. 🔍 51% Manum suamManum suam
  15. 🔍 51% Nunc dimittisNunc dimittis
  16. 🔍 50% Beatus vir qui timetBeatus vir qui timet
  17. 🔍 50% Te Deum PatremTe Deum Patrem
  18. 🔍 49% Veni sponsa ChristiVeni sponsa Christi
  19. 🔍 49% Ad te levaviAd te levavi
  20. 🔍 48% Surge DomineSurge Domine
  21. 🔍 48% Tu gloria Jerusalem (Tract)Tu gloria Jerusalem (Tract)
  22. 🔍 48% Saepe expugnaveruntSaepe expugnaverunt
  23. 🔍 48% Manum suamManum suam
  24. 🔍 48% Domine DeusDomine Deus
  25. 🔍 47% MagnificatMagnificat
  26. 🔍 47% Factus es spes meaFactus es spes mea
  27. 🔍 47% DesideriumDesiderium
  28. 🔍 47% Ego sumEgo sum
  29. 🔍 47% NoliteNolite
  30. 🔍 46% Ecce sic benediceturEcce sic benedicetur
  31. 🔍 46% Nunc ergoNunc ergo
  32. 🔍 46% Laudate... omnes gentesLaudate... omnes gentes
  33. 🔍 46% Qui gloriaturQui gloriatur
  34. 🔍 46% Meum est consiliumMeum est consilium
  35. 🔍 45% Qui confiduntQui confidunt
  36. 🔍 45% Ab ortu solisAb ortu solis
  37. 🔍 44% De profundisDe profundis
  38. 🔍 44% Gustate... TimeteGustate... Timete
  39. 🔍 44% Beatus vir cujusBeatus vir cujus
  40. 🔍 44% Qui confiduntQui confidunt
  41. 🔍 43% Domine DeusDomine Deus
  42. 🔍 43% Ad te levaviAd te levavi
  43. 🔍 43% Factus esFactus es
  44. 🔍 43% Te Deum PatremTe Deum Patrem
  45. 🔍 43% Suscepimus (Tract.)Suscepimus (Tract.)
  46. 🔍 43% Ego diligentesEgo diligentes
  47. 🔍 42% Veni sponsa ChristiVeni sponsa Christi
  48. 🔍 42% Nunc ergoNunc ergo
  49. 🔍 42% De profundisDe profundis
  50. 🔍 42% Ego sumEgo sum
  51. 🔍 42% Ego autem cumEgo autem cum
  52. 🔍 41% Jubilate DominoJubilate Domino
  53. 🔍 41% Ab ortu solisAb ortu solis
  54. 🔍 41% Induit eumInduit eum
  55. 🔍 41% AnnuntiaviAnnuntiavi
  56. 🔍 41% Deus docuistiDeus docuisti
  57. 🔍 41% Saepe expugnaveruntSaepe expugnaverunt
  58. 🔍 41% Jubilate DominoJubilate Domino
  59. 🔍 40% Nunc dimittisNunc dimittis
  60. 🔍 40% Qui confiduntQui confidunt
  61. 🔍 40% Laudate... omnes gentesLaudate... omnes gentes
  62. 🔍 40% Surge DomineSurge Domine
  63. 🔍 40% Filii hominumFilii hominum
  64. 🔍 40% Fortitudo meaFortitudo mea
  65. 🔍 39% Ego autem cumEgo autem cum