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% LoquebanturLoquebantur
  2. 🔍 75% LoquebanturLoquebantur
  3. 🔍 74% LoquebanturLoquebantur
  4. 🔍 63% LoquebanturLoquebantur
  5. 🔍 52% Loquebantur (Ant.)Loquebantur (Ant.)
  6. 🔍 50% Loquebantur variisLoquebantur variis
  7. 🔍 50% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  8. 🔍 50% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 50% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 49% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  11. 🔍 48% Loquebantur (Ant.)Loquebantur (Ant.)
  12. 🔍 48% AlleluiaAlleluia
  13. 🔍 48% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  14. 🔍 47% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  15. 🔍 47% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  16. 🔍 47% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  17. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 47% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  19. 🔍 47% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  20. 🔍 46% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  21. 🔍 46% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  22. 🔍 46% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  23. 🔍 46% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  24. 🔍 46% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  25. 🔍 45% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  26. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  27. 🔍 45% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  28. 🔍 45% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  29. 🔍 44% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  30. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  31. 🔍 44% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  32. 🔍 43% Alleluia. Dom. LaudAlleluia. Dom. Laud
  33. 🔍 43% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  34. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  35. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  36. 🔍 43% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  37. 🔍 43% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  38. 🔍 42% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  39. 🔍 42% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  40. 🔍 42% Omnes GentesOmnes Gentes
  41. 🔍 42% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  42. 🔍 42% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  43. 🔍 42% Puer natus in BethlehemPuer natus in Bethlehem
  44. 🔍 42% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  45. 🔍 42% Elevata estElevata est
  46. 🔍 42% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  47. 🔍 41% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  48. 🔍 41% Alleluia laudate DominumAlleluia laudate Dominum
  49. 🔍 40% Alleluia Dominus regnavitAlleluia Dominus regnavit
  50. 🔍 40% Lux perpetuaLux perpetua
  51. 🔍 40% Lux de luceLux de luce
  52. 🔍 40% Sanguis Jesu ChristiSanguis Jesu Christi
  53. 🔍 40% Gustate et videteGustate et videte
  54. 🔍 40% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  55. 🔍 39% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  56. 🔍 39% Si diligitis meSi diligitis me
  57. 🔍 39% Anima... liquefactaAnima... liquefacta
  58. 🔍 39% Alleluia faciem tuamAlleluia faciem tuam
  59. 🔍 39% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  60. 🔍 39% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  61. 🔍 39% Alleluia confiteminiAlleluia confitemini
  62. 🔍 39% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  63. 🔍 38% Alleluia omnes de SabaAlleluia omnes de Saba
  64. 🔍 38% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  65. 🔍 38% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)