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% Tunc surrexeruntTunc surrexerunt
  2. 🔍 32% Surrexerunt omnesSurrexerunt omnes
  3. 🔍 30% Surrexerunt omnesSurrexerunt omnes
  4. 🔍 28% Simile est... decemSimile est... decem
  5. 🔍 27% Hi sunt qui venerunt (II)Hi sunt qui venerunt (II)
  6. 🔍 27% Ecce in nubibusEcce in nubibus
  7. 🔍 27% Tunc sub patenti specieTunc sub patenti specie
  8. 🔍 26% Tunc assumpsitTunc assumpsit
  9. 🔍 26% Pii nomenPii nomen
  10. 🔍 26% Oleum effusumOleum effusum
  11. 🔍 25% Et omnes AngeliEt omnes Angeli
  12. 🔍 25% RogaboRogabo
  13. 🔍 25% Prudentes virginesPrudentes virgines
  14. 🔍 25% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  15. 🔍 24% Viderunt te aquaeViderunt te aquae
  16. 🔍 24% CrucifixusCrucifixus
  17. 🔍 24% Amen... dico... qui creditAmen... dico... qui credit
  18. 🔍 24% Laetabitur (II)Laetabitur (II)
  19. 🔍 24% Et posueruntEt posuerunt
  20. 🔍 24% Joannes... dixeruntJoannes... dixerunt
  21. 🔍 23% Prophetae praedicaveruntProphetae praedicaverunt
  22. 🔍 23% Hi sunt qui venerunt (I)Hi sunt qui venerunt (I)
  23. 🔍 23% Et ecce apparueruntEt ecce apparuerunt
  24. 🔍 23% Tunc acceptabis sacrificiumTunc acceptabis sacrificium
  25. 🔍 23% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  26. 🔍 23% Laetare Virgo MaterLaetare Virgo Mater
  27. 🔍 23% Omnes de SabaOmnes de Saba
  28. 🔍 23% In velamento clamabuntIn velamento clamabunt
  29. 🔍 23% Sacerdotes sanctiSacerdotes sancti
  30. 🔍 23% Repleti suntRepleti sunt
  31. 🔍 23% Repleti suntRepleti sunt
  32. 🔍 23% Et accipiensEt accipiens
  33. 🔍 23% Cumque intuerenturCumque intuerentur
  34. 🔍 23% Angelus... nuntiavitAngelus... nuntiavit
  35. 🔍 23% Laetamini in Domino... allel.Laetamini in Domino... allel.
  36. 🔍 23% Deus a LibanoDeus a Libano
  37. 🔍 22% Si offersSi offers
  38. 🔍 22% Erunt pravaErunt prava
  39. 🔍 22% Beati martyresBeati martyres
  40. 🔍 22% Regina caeliRegina caeli
  41. 🔍 22% Ascendente JesuAscendente Jesu
  42. 🔍 22% Tunc invocabisTunc invocabis
  43. 🔍 22% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  44. 🔍 22% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  45. 🔍 22% DefeceruntDefecerunt
  46. 🔍 22% Tunc assumpsit eumTunc assumpsit eum
  47. 🔍 22% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  48. 🔍 22% Misso HerodesMisso Herodes
  49. 🔍 22% Regina caeli laetareRegina caeli laetare
  50. 🔍 22% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  51. 🔍 22% Juvenes... laudateJuvenes... laudate
  52. 🔍 21% Alleluia (ant. mode I)Alleluia (ant. mode I)
  53. 🔍 21% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  54. 🔍 21% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  55. 🔍 21% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  56. 🔍 21% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  57. 🔍 21% Alleluia Dominus regnavitAlleluia Dominus regnavit
  58. 🔍 21% Tunc invocabisTunc invocabis
  59. 🔍 21% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  60. 🔍 21% Ille me clarificabitIlle me clarificabit
  61. 🔍 21% Alleluia faciem tuamAlleluia faciem tuam
  62. 🔍 21% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  63. 🔍 21% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  64. 🔍 21% Ecce Jesus occurrit illisEcce Jesus occurrit illis
  65. 🔍 21% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I