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% Pastor bonusPastor bonus
  2. 🔍 76% Pastor bonusPastor bonus
  3. 🔍 69% Ego sum pastor bonusEgo sum pastor bonus
  4. 🔍 58% Pastor bonus animamPastor bonus animam
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  7. 🔍 43% Ego sum pastor bonusEgo sum pastor bonus
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  9. 🔍 38% Ego sum pastor bonus quiEgo sum pastor bonus qui
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  13. 🔍 32% Ego sum pastor bonusEgo sum pastor bonus
  14. 🔍 31% Ego sum pastor oviumEgo sum pastor ovium
  15. 🔍 30% Euntes in mundum alleluiaEuntes in mundum alleluia
  16. 🔍 30% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  17. 🔍 30% Ego sum pastor bonusEgo sum pastor bonus
  18. 🔍 30% Ego sum pastor bonus alleluia (Mode 8g)Ego sum pastor bonus alleluia (Mode 8g)
  19. 🔍 29% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  20. 🔍 28% Ego sum pastor bonus alleluia (Mode 6f)Ego sum pastor bonus alleluia (Mode 6f)
  21. 🔍 28% Ite nuntiate fratribusIte nuntiate fratribus
  22. 🔍 27% Sicut novit me PaterSicut novit me Pater
  23. 🔍 26% Qui odit animam suamQui odit animam suam
  24. 🔍 26% Tristitia vestra alleluiaTristitia vestra alleluia
  25. 🔍 26% Ego sum ostiumEgo sum ostium
  26. 🔍 25% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  27. 🔍 25% Mane nobiscum quoniam advesperascitMane nobiscum quoniam advesperascit
  28. 🔍 25% In caelestibus regnisIn caelestibus regnis
  29. 🔍 24% Dominus judicabitDominus judicabit
  30. 🔍 24% Mitte manumMitte manum
  31. 🔍 24% Dele DomineDele Domine
  32. 🔍 24% Beata Dei genetrix nitorBeata Dei genetrix nitor
  33. 🔍 23% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  34. 🔍 23% Homo quidam fecit coenam magnamHomo quidam fecit coenam magnam
  35. 🔍 23% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  36. 🔍 23% Pax vobis ego sumPax vobis ego sum
  37. 🔍 23% Domine audiviDomine audivi
  38. 🔍 23% Venite omnes adoremusVenite omnes adoremus
  39. 🔍 23% Spiritus tuus bonusSpiritus tuus bonus
  40. 🔍 22% Videntibus illisVidentibus illis
  41. 🔍 22% Quam bonusQuam bonus
  42. 🔍 22% Nonne sic oportuitNonne sic oportuit
  43. 🔍 22% Quoniam in te confiditQuoniam in te confidit
  44. 🔍 22% Conversus estConversus est
  45. 🔍 22% In velamento clamabantIn velamento clamabant
  46. 🔍 22% Elevatis manibusElevatis manibus
  47. 🔍 22% Surrexit pastor bonusSurrexit pastor bonus
  48. 🔍 22% Alleluia ConfiteminiAlleluia Confitemini
  49. 🔍 22% Alleluia (ant.)Alleluia (ant.)
  50. 🔍 22% Alleluia (ant.)Alleluia (ant.)
  51. 🔍 22% Cognoverunt DominumCognoverunt Dominum
  52. 🔍 22% Usque modoUsque modo
  53. 🔍 22% Exaltate Regem regumExaltate Regem regum
  54. 🔍 22% Exivi a PatreExivi a Patre
  55. 🔍 22% Tristitia vestra verteturTristitia vestra vertetur
  56. 🔍 22% Modicum et non videbitis meModicum et non videbitis me
  57. 🔍 22% Oportebat pati ChristumOportebat pati Christum
  58. 🔍 22% Haec locutus sum vobisHaec locutus sum vobis
  59. 🔍 21% Miserere mei DeusMiserere mei Deus
  60. 🔍 21% Si diligitis meSi diligitis me
  61. 🔍 21% Ascendo ad PatremAscendo ad Patrem
  62. 🔍 21% Dilexit AndreamDilexit Andream
  63. 🔍 21% Propter lignumPropter lignum
  64. 🔍 21% Bonum est confiteriBonum est confiteri
  65. 🔍 21% Tibi soli peccaviTibi soli peccavi