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% Alleluia lapis revolutusAlleluia lapis revolutus
  2. 🔍 46% Alleluia, lapis revolutus estAlleluia, lapis revolutus est
  3. 🔍 46% Alleluia Lapis revolutusAlleluia Lapis revolutus
  4. 🔍 43% Venit Maria nuntiansVenit Maria nuntians
  5. 🔍 41% Venite omnes adoremusVenite omnes adoremus
  6. 🔍 39% Maria noli iam flereMaria noli iam flere
  7. 🔍 38% Alleluia lapis revolutus estAlleluia lapis revolutus est
  8. 🔍 38% Venit Maria nuntians 2Venit Maria nuntians 2
  9. 🔍 37% Data est mihiData est mihi
  10. 🔍 37% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 35% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 35% AlleluiaAlleluia
  13. 🔍 35% Haec dies simpl.Haec dies simpl.
  14. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 34% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  17. 🔍 34% Factus est repenteFactus est repente
  18. 🔍 34% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  19. 🔍 33% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  20. 🔍 33% Ego si exaltatus ... alleluiaEgo si exaltatus ... alleluia
  21. 🔍 33% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  22. 🔍 32% Exaltare DomineExaltare Domine
  23. 🔍 32% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  24. 🔍 32% Laetentur etLaetentur et
  25. 🔍 32% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  26. 🔍 32% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  27. 🔍 32% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  28. 🔍 31% Postulavi PatremPostulavi Patrem
  29. 🔍 31% Alleluia alleluiaAlleluia alleluia
  30. 🔍 31% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  31. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  32. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  33. 🔍 31% Emitte SpiritumEmitte Spiritum
  34. 🔍 31% Si manseritisSi manseritis
  35. 🔍 31% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  36. 🔍 31% In lege DominiIn lege Domini
  37. 🔍 31% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  38. 🔍 31% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  39. 🔍 31% Ego sum qui sumEgo sum qui sum
  40. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  41. 🔍 31% Iterum videbo vos (Mode 1d)Iterum videbo vos (Mode 1d)
  42. 🔍 31% Alleluia confiteminiAlleluia confitemini
  43. 🔍 30% Ego dormiviEgo dormivi
  44. 🔍 30% Veniet ecce rexVeniet ecce rex
  45. 🔍 30% Christo datus estChristo datus est
  46. 🔍 30% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  47. 🔍 30% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  48. 🔍 30% Spiritus ubi vultSpiritus ubi vult
  49. 🔍 30% Lux de luceLux de luce
  50. 🔍 29% Spiritus qui a PatreSpiritus qui a Patre
  51. 🔍 29% Alleluia audiviAlleluia audivi
  52. 🔍 29% Viderunt omnesViderunt omnes
  53. 🔍 29% Si cognovissetis meSi cognovissetis me
  54. 🔍 29% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  55. 🔍 29% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  56. 🔍 29% Angelus autem DominiAngelus autem Domini
  57. 🔍 29% Et dicebant ad invicemEt dicebant ad invicem
  58. 🔍 29% Iesum qui crucifixusIesum qui crucifixus
  59. 🔍 29% Domini est terraDomini est terra
  60. 🔍 29% Ego sum Alpha et OEgo sum Alpha et O
  61. 🔍 29% Ite nuntiateIte nuntiate
  62. 🔍 28% Ierusalem luceIerusalem luce
  63. 🔍 28% Alleluia ego sum vitisAlleluia ego sum vitis
  64. 🔍 28% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  65. 🔍 28% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I