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% Dum esset rexDum esset rex
  2. 🔍 55% Dum esset rexDum esset rex
  3. 🔍 48% Dum esset RexDum esset Rex
  4. 🔍 45% Dum esset rexDum esset rex
  5. 🔍 22% Dum esset summus PontifexDum esset summus Pontifex
  6. 🔍 22% Quaerite DominumQuaerite Dominum
  7. 🔍 20% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  8. 🔍 20% Alleluia (Wednesday P. T. at Lauds)Alleluia (Wednesday P. T. at Lauds)
  9. 🔍 20% AlleluiaAlleluia
  10. 🔍 20% Laeva ejusLaeva ejus
  11. 🔍 20% In manus tuas (tempore Paschali)In manus tuas (tempore Paschali)
  12. 🔍 20% Dum esset summusDum esset summus
  13. 🔍 20% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  14. 🔍 19% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 19% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 19% Rex magneRex magne
  17. 🔍 19% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  18. 🔍 19% Dum esset summus pontifexDum esset summus pontifex
  19. 🔍 19% Dum transisset sabbatumDum transisset sabbatum
  20. 🔍 19% Alleluia. (Sund. P. T. at Lauds)Alleluia. (Sund. P. T. at Lauds)
  21. 🔍 19% Nigra sumNigra sum
  22. 🔍 19% Dum esset SummusDum esset Summus
  23. 🔍 19% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  24. 🔍 19% Alleluia alleluiaAlleluia alleluia
  25. 🔍 19% Exspectabo DominumExspectabo Dominum
  26. 🔍 18% Dum fortisDum fortis
  27. 🔍 18% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  28. 🔍 18% Pax VobisPax Vobis
  29. 🔍 18% Dum fortis armatusDum fortis armatus
  30. 🔍 18% Jesus cum essetJesus cum esset
  31. 🔍 18% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  32. 🔍 18% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  33. 🔍 18% Alleluia (mode 8)Alleluia (mode 8)
  34. 🔍 18% Intravit autem rexIntravit autem rex
  35. 🔍 17% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  36. 🔍 17% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  37. 🔍 17% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  38. 🔍 17% Elegit eam Deus ... alleluiaElegit eam Deus ... alleluia
  39. 🔍 17% Sanctificatus est rex ClodovaeusSanctificatus est rex Clodovaeus
  40. 🔍 17% Sanctorum meritisSanctorum meritis
  41. 🔍 17% Cum esset desponsata (T. Adventus)Cum esset desponsata (T. Adventus)
  42. 🔍 17% Parvulus filiusParvulus filius
  43. 🔍 17% Intravit autem rexIntravit autem rex
  44. 🔍 17% Et concupiscet RexEt concupiscet Rex
  45. 🔍 17% Rex pacificusRex pacificus
  46. 🔍 17% Cum esset desponsata (19 Martii)Cum esset desponsata (19 Martii)
  47. 🔍 17% Vos qui reliquistis omniaVos qui reliquistis omnia
  48. 🔍 17% Intravit autem rexIntravit autem rex
  49. 🔍 17% Parvulus filiusParvulus filius
  50. 🔍 17% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  51. 🔍 17% Herodes rexHerodes rex
  52. 🔍 17% Dum fortis armatusDum fortis armatus
  53. 🔍 17% Herodes rex apposuitHerodes rex apposuit
  54. 🔍 17% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  55. 🔍 17% Iste confessor (IIa)Iste confessor (IIa)
  56. 🔍 16% Lux perpetua (T.P.)Lux perpetua (T.P.)
  57. 🔍 16% Tu es PetrusTu es Petrus
  58. 🔍 16% Filiae JerusalemFiliae Jerusalem
  59. 🔍 16% Alleluia Dominus regnavitAlleluia Dominus regnavit
  60. 🔍 16% Domine Deus salutis... alleluiaDomine Deus salutis... alleluia
  61. 🔍 16% Sursum sonetSursum sonet
  62. 🔍 16% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  63. 🔍 16% AlleluiaAlleluia
  64. 🔍 16% Alleluia Dominus regnavitAlleluia Dominus regnavit
  65. 🔍 16% ModicumModicum