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% Oportebat pati ChristumOportebat pati Christum
  2. 🔍 86% Oportebat pati ChristumOportebat pati Christum
  3. 🔍 66% Oportebat pati ChristumOportebat pati Christum
  4. 🔍 63% Oportebat patiOportebat pati
  5. 🔍 54% Oportebat patiOportebat pati
  6. 🔍 34% Exivi a PatreExivi a Patre
  7. 🔍 32% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  8. 🔍 30% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  9. 🔍 29% Nonne sic oportuitNonne sic oportuit
  10. 🔍 28% Regina caeli laetareRegina caeli laetare
  11. 🔍 27% Exaltate Regem regumExaltate Regem regum
  12. 🔍 27% Oportebat patiOportebat pati
  13. 🔍 27% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  14. 🔍 25% Venite omnes adoremusVenite omnes adoremus
  15. 🔍 25% Tristitia vestra alleluiaTristitia vestra alleluia
  16. 🔍 25% Pax vobis ego sumPax vobis ego sum
  17. 🔍 25% In velamento clamabantIn velamento clamabant
  18. 🔍 25% Prae timore autemPrae timore autem
  19. 🔍 24% Elevatis manibusElevatis manibus
  20. 🔍 24% Oportebat pati ChristumOportebat pati Christum
  21. 🔍 24% Dominus judicabitDominus judicabit
  22. 🔍 24% Crucifixus surrexitCrucifixus surrexit
  23. 🔍 24% Cognoverunt DominumCognoverunt Dominum
  24. 🔍 24% Miserere mei DeusMiserere mei Deus
  25. 🔍 24% Isti sunt sermonesIsti sunt sermones
  26. 🔍 24% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  27. 🔍 24% Pater venit horaPater venit hora
  28. 🔍 23% Conversus estConversus est
  29. 🔍 23% Tristitia vestra verteturTristitia vestra vertetur
  30. 🔍 23% Visionem quam vidistisVisionem quam vidistis
  31. 🔍 23% Mitte manumMitte manum
  32. 🔍 23% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  33. 🔍 23% Ipse enim PaterIpse enim Pater
  34. 🔍 23% In caelestibus regnisIn caelestibus regnis
  35. 🔍 23% Sancti et justiSancti et justi
  36. 🔍 23% Et audientes discipuliEt audientes discipuli
  37. 🔍 22% Domine audiviDomine audivi
  38. 🔍 22% Ite nuntiate fratribusIte nuntiate fratribus
  39. 🔍 22% Bonum est confiteriBonum est confiteri
  40. 🔍 22% Quoniam in te confiditQuoniam in te confidit
  41. 🔍 22% Domine refugiumDomine refugium
  42. 🔍 22% AlleluiaAlleluia
  43. 🔍 22% Et intravit cum illisEt intravit cum illis
  44. 🔍 22% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  45. 🔍 22% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  46. 🔍 22% Obtulerunt discipuli DominoObtulerunt discipuli Domino
  47. 🔍 22% Euntes in mundum alleluiaEuntes in mundum alleluia
  48. 🔍 22% Paraclitus autemParaclitus autem
  49. 🔍 22% Pastor bonusPastor bonus
  50. 🔍 21% Christum Regem pro nobisChristum Regem pro nobis
  51. 🔍 21% Ascendens Christus in altumAscendens Christus in altum
  52. 🔍 21% Spiritus carnem et ossa non habetSpiritus carnem et ossa non habet
  53. 🔍 21% Domine in caeloDomine in caelo
  54. 🔍 21% Hodie Maria Virgo caelosHodie Maria Virgo caelos
  55. 🔍 21% Gloria et honoreGloria et honore
  56. 🔍 21% Cantemus DominoCantemus Domino
  57. 🔍 21% Qui sunt hiQui sunt hi
  58. 🔍 21% Tibi soli peccaviTibi soli peccavi
  59. 🔍 21% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  60. 🔍 21% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  61. 🔍 21% Cum venerit ParaclitusCum venerit Paraclitus
  62. 🔍 21% Vado ad eum qui misit me et nemoVado ad eum qui misit me et nemo
  63. 🔍 21% In veritate tuaIn veritate tua
  64. 🔍 21% Laetare caelum desuperLaetare caelum desuper
  65. 🔍 21% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)