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% Si manseritis in meSi manseritis in me
  2. 🔍 85% Si manseritis in meSi manseritis in me
  3. 🔍 80% Si manseritis in meSi manseritis in me
  4. 🔍 79% Si manseritis in meSi manseritis in me
  5. 🔍 79% Si manseritis in meSi manseritis in me
  6. 🔍 70% Si manseritisSi manseritis
  7. 🔍 47% Si diligitis meSi diligitis me
  8. 🔍 44% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  9. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 44% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  11. 🔍 44% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  12. 🔍 44% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  13. 🔍 44% Si cognovissetis meSi cognovissetis me
  14. 🔍 43% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  15. 🔍 42% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  16. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  17. 🔍 41% AlleluiaAlleluia
  18. 🔍 41% Puer natus in BethlehemPuer natus in Bethlehem
  19. 🔍 41% Si diligitis meSi diligitis me
  20. 🔍 40% Alleluia Lapis revolutusAlleluia Lapis revolutus
  21. 🔍 40% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  22. 🔍 39% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  23. 🔍 39% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  24. 🔍 38% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  25. 🔍 38% Alleluia (ant.)Alleluia (ant.)
  26. 🔍 38% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 38% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  28. 🔍 38% Alleluia Omnes GentesAlleluia Omnes Gentes
  29. 🔍 38% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  30. 🔍 37% Si cognovissetis meSi cognovissetis me
  31. 🔍 37% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  32. 🔍 37% Gustate et videteGustate et videte
  33. 🔍 37% AlleluiaAlleluia
  34. 🔍 37% Alleluia deduc meAlleluia deduc me
  35. 🔍 37% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  36. 🔍 36% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  37. 🔍 36% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  38. 🔍 36% Alleluia Deduc meAlleluia Deduc me
  39. 🔍 36% Posuit mePosuit me
  40. 🔍 36% Omnes GentesOmnes Gentes
  41. 🔍 36% Verbum caro factum estVerbum caro factum est
  42. 🔍 35% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  43. 🔍 35% Si diligitis meSi diligitis me
  44. 🔍 35% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  45. 🔍 35% Qui me invenerit... allel.Qui me invenerit... allel.
  46. 🔍 35% Ipse invocabit meIpse invocabit me
  47. 🔍 35% Pacem meam... alleluiaPacem meam... alleluia
  48. 🔍 35% Spiritus SanctusSpiritus Sanctus
  49. 🔍 35% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  50. 🔍 34% Pacem meamPacem meam
  51. 🔍 34% Verbum caro factum estVerbum caro factum est
  52. 🔍 34% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  53. 🔍 34% Si cognovissetis meSi cognovissetis me
  54. 🔍 34% In manus tuas (tempore Paschali)In manus tuas (tempore Paschali)
  55. 🔍 34% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  56. 🔍 34% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  57. 🔍 34% Si cognovissetis meSi cognovissetis me
  58. 🔍 34% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  59. 🔍 34% Spiritus SanctusSpiritus Sanctus
  60. 🔍 34% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  61. 🔍 34% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  62. 🔍 34% Alleluia. (Wednesday P. T. at Lauds I)Alleluia. (Wednesday P. T. at Lauds I)
  63. 🔍 34% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  64. 🔍 34% Si cognovissetis meSi cognovissetis me
  65. 🔍 34% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)