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% O magnum pietatisO magnum pietatis
  2. 🔍 73% O magnum pietatisO magnum pietatis
  3. 🔍 71% O magnum pietatisO magnum pietatis
  4. 🔍 70% O magnum pietatisO magnum pietatis
  5. 🔍 66% O magnum pietatisO magnum pietatis
  6. 🔍 64% O magnumO magnum
  7. 🔍 25% Galliarum populisGalliarum populis
  8. 🔍 24% O morsO mors
  9. 🔍 24% Fortis est ut morsFortis est ut mors
  10. 🔍 22% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  11. 🔍 22% CrucifixusCrucifixus
  12. 🔍 22% Vocata estVocata est
  13. 🔍 22% Data est mihiData est mihi
  14. 🔍 22% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  15. 🔍 22% Maxima estMaxima est
  16. 🔍 21% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  17. 🔍 21% Alleluia confiteminiAlleluia confitemini
  18. 🔍 21% Magister quod estMagister quod est
  19. 🔍 21% Si cognovissetis meSi cognovissetis me
  20. 🔍 21% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  21. 🔍 21% Christus resurgensChristus resurgens
  22. 🔍 20% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  23. 🔍 20% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  24. 🔍 20% Gratia DeiGratia Dei
  25. 🔍 20% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  26. 🔍 20% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  27. 🔍 20% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  28. 🔍 20% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  29. 🔍 20% Prae timore autemPrae timore autem
  30. 🔍 20% Alleluia Dominus regnavitAlleluia Dominus regnavit
  31. 🔍 20% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  32. 🔍 20% Immortali laudeImmortali laude
  33. 🔍 20% Christus resurgensChristus resurgens
  34. 🔍 20% Benedicam te IBenedicam te I
  35. 🔍 20% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  36. 🔍 20% VisionemVisionem
  37. 🔍 19% VestimentisVestimentis
  38. 🔍 19% RevertereRevertere
  39. 🔍 19% Alleluia Lapis revolutusAlleluia Lapis revolutus
  40. 🔍 19% Quis tibi videturQuis tibi videtur
  41. 🔍 19% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  42. 🔍 19% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  43. 🔍 19% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  44. 🔍 19% Posuit mePosuit me
  45. 🔍 19% In caelestibus regnisIn caelestibus regnis
  46. 🔍 19% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  47. 🔍 19% Christus resurgensChristus resurgens
  48. 🔍 19% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  49. 🔍 19% Magna est gloria... allel.Magna est gloria... allel.
  50. 🔍 19% Omnis sapientiaOmnis sapientia
  51. 🔍 19% Alleluia. Dom. LaudAlleluia. Dom. Laud
  52. 🔍 19% Confitemini Domino quiaConfitemini Domino quia
  53. 🔍 19% Elevata estElevata est
  54. 🔍 19% O mors ero morsO mors ero mors
  55. 🔍 19% Conversus estConversus est
  56. 🔍 19% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  57. 🔍 19% Si diligitis meSi diligitis me
  58. 🔍 19% Videte manus measVidete manus meas
  59. 🔍 19% Hic est vere MartyrHic est vere Martyr
  60. 🔍 18% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  61. 🔍 18% Quomodo fiet istudQuomodo fiet istud
  62. 🔍 18% Alleluia faciem tuamAlleluia faciem tuam
  63. 🔍 18% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  64. 🔍 18% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  65. 🔍 18% Manifeste magnum estManifeste magnum est