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% Solemnitas est hodie sancti JosephSolemnitas est hodie sancti Joseph
  2. 🔍 69% Ora pro nobis sancte JosephOra pro nobis sancte Joseph
  3. 🔍 59% Repleti suntRepleti sunt
  4. 🔍 51% Sancti et justi (versiculus solemnis)Sancti et justi (versiculus solemnis)
  5. 🔍 49% Justum deduxit DominusJustum deduxit Dominus
  6. 🔍 48% Exaltata est sancta D. G. (vers. sol.)Exaltata est sancta D. G. (vers. sol.)
  7. 🔍 47% Hæc diesHæc dies
  8. 🔍 47% Pretiosa in conspectu Domini (versiculus solemnis)Pretiosa in conspectu Domini (versiculus solemnis)
  9. 🔍 45% Quae estQuae est
  10. 🔍 43% Gloria et honore (versus solemnior)Gloria et honore (versus solemnior)
  11. 🔍 41% Gloriosus apparuisti (vers. sol.)Gloriosus apparuisti (vers. sol.)
  12. 🔍 41% Amavit eum (verse sol.)Amavit eum (verse sol.)
  13. 🔍 41% Notum fecit DominusNotum fecit Dominus
  14. 🔍 40% Amavit eum Dominus (V/. sol.) T.P.Amavit eum Dominus (V/. sol.) T.P.
  15. 🔍 40% Ora pro nobis, beate BernardeOra pro nobis, beate Bernarde
  16. 🔍 39% Tollite jugum meum super vos (V/. soll.)Tollite jugum meum super vos (V/. soll.)
  17. 🔍 38% Ora pro nobis, beate Bernarde (Vers. sol.)Ora pro nobis, beate Bernarde (Vers. sol.)
  18. 🔍 38% Ecce tuEcce tu
  19. 🔍 36% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  20. 🔍 34% Salus et gloriaSalus et gloria
  21. 🔍 32% Salus et gloriaSalus et gloria
  22. 🔍 32% Salus et gloriaSalus et gloria
  23. 🔍 31% Exsurgat DeusExsurgat Deus
  24. 🔍 30% Salus et gloria - mode IVSalus et gloria - mode IV
  25. 🔍 29% Salus et gloriaSalus et gloria
  26. 🔍 29% Omnes GentesOmnes Gentes
  27. 🔍 28% Amplificatus est (T.P.)Amplificatus est (T.P.)
  28. 🔍 28% Puer natus in BethlehemPuer natus in Bethlehem
  29. 🔍 28% Ascendit DeusAscendit Deus
  30. 🔍 26% Alleluia Lapis revolutusAlleluia Lapis revolutus
  31. 🔍 26% Exsultet jam AngelicaExsultet jam Angelica
  32. 🔍 26% Alleluia (mode 8)Alleluia (mode 8)
  33. 🔍 25% Sancti et justiSancti et justi
  34. 🔍 25% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  35. 🔍 25% Benedicamus Domino AlleluiaBenedicamus Domino Alleluia
  36. 🔍 25% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  37. 🔍 25% Alleluia Omnes GentesAlleluia Omnes Gentes
  38. 🔍 25% Crudelis Herodes (Alter tonus)Crudelis Herodes (Alter tonus)
  39. 🔍 25% Benedicamus Domino (Sabbato ante Septuagesimam)Benedicamus Domino (Sabbato ante Septuagesimam)
  40. 🔍 25% Salus et gloriaSalus et gloria
  41. 🔍 24% Deus Deus meusDeus Deus meus
  42. 🔍 24% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  43. 🔍 24% Gustate (Ad Communionem - Tonus 1)Gustate (Ad Communionem - Tonus 1)
  44. 🔍 24% Alleluia alleluiaAlleluia alleluia
  45. 🔍 24% Gustate et videteGustate et videte
  46. 🔍 24% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  47. 🔍 24% Alleluia confiteminiAlleluia confitemini
  48. 🔍 23% Alleluia (T. P. Laud. Sabb.)Alleluia (T. P. Laud. Sabb.)
  49. 🔍 23% Verbum caro factum estVerbum caro factum est
  50. 🔍 23% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  51. 🔍 23% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  52. 🔍 23% Amavit eum Dominus (Resp. Br. T.P.)Amavit eum Dominus (Resp. Br. T.P.)
  53. 🔍 23% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  54. 🔍 23% Qui habitatQui habitat
  55. 🔍 23% Benedictus Dominus a saeculoBenedictus Dominus a saeculo
  56. 🔍 23% Verbum caro factum estVerbum caro factum est
  57. 🔍 23% Venite benedictiVenite benedicti
  58. 🔍 23% Verbum caro factum estVerbum caro factum est
  59. 🔍 23% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  60. 🔍 23% Sancti et justi in DominoSancti et justi in Domino
  61. 🔍 23% Verbum caro factum estVerbum caro factum est
  62. 🔍 23% Eripe me Domine ab homineEripe me Domine ab homine
  63. 🔍 23% Solemnitas est hodieSolemnitas est hodie
  64. 🔍 22% AlleluiaAlleluia
  65. 🔍 22% Sancti tuiSancti tui