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% Cognoverunt DominumCognoverunt Dominum
  2. 🔍 54% Cognoverunt DominumCognoverunt Dominum
  3. 🔍 46% Alleluia LaudateAlleluia Laudate
  4. 🔍 42% AlleluiaAlleluia
  5. 🔍 41% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 41% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 41% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  8. 🔍 40% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  9. 🔍 40% AlleluiaAlleluia
  10. 🔍 40% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  11. 🔍 40% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  12. 🔍 40% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  13. 🔍 40% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  14. 🔍 40% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  15. 🔍 40% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  16. 🔍 40% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  17. 🔍 39% Adorate DominumAdorate Dominum
  18. 🔍 39% In velamento clamabantIn velamento clamabant
  19. 🔍 39% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  20. 🔍 39% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  21. 🔍 38% Vado ad eum... et nemoVado ad eum... et nemo
  22. 🔍 38% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  23. 🔍 38% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  24. 🔍 38% Alleluia Tuus sumAlleluia Tuus sum
  25. 🔍 38% Alleluia laudate DominumAlleluia laudate Dominum
  26. 🔍 38% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  27. 🔍 38% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  28. 🔍 38% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  29. 🔍 37% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  30. 🔍 37% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  31. 🔍 37% Tristitia vestra alleluiaTristitia vestra alleluia
  32. 🔍 37% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  33. 🔍 37% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  34. 🔍 37% Puer natus in BethlehemPuer natus in Bethlehem
  35. 🔍 37% Si cognovissetis meSi cognovissetis me
  36. 🔍 37% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  37. 🔍 37% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  38. 🔍 37% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  39. 🔍 36% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  40. 🔍 36% Magnificate DominumMagnificate Dominum
  41. 🔍 36% Euntes in mundum alleluiaEuntes in mundum alleluia
  42. 🔍 36% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  43. 🔍 36% Pax vobis ego sumPax vobis ego sum
  44. 🔍 36% Alleluia (ant.)Alleluia (ant.)
  45. 🔍 36% Alleluia (ant.)Alleluia (ant.)
  46. 🔍 36% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  47. 🔍 36% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  48. 🔍 35% In velamento clamabantIn velamento clamabant
  49. 🔍 35% Alleluia Lapis revolutusAlleluia Lapis revolutus
  50. 🔍 35% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  51. 🔍 35% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  52. 🔍 35% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  53. 🔍 35% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  54. 🔍 35% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  55. 🔍 35% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  56. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  57. 🔍 35% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  58. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  59. 🔍 35% Alleluia Dominus regnavitAlleluia Dominus regnavit
  60. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  61. 🔍 35% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  62. 🔍 35% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  63. 🔍 35% Alleluia Omnes GentesAlleluia Omnes Gentes
  64. 🔍 35% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  65. 🔍 35% Ego sum vitis veraEgo sum vitis vera