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% De necessitatibusDe necessitatibus
  2. 🔍 63% Improperium... simul contristareturImproperium... simul contristaretur
  3. 🔍 62% VeritatemVeritatem
  4. 🔍 48% Improperium... simul mecumImproperium... simul mecum
  5. 🔍 29% Verbum supernumVerbum supernum
  6. 🔍 29% ImproperiumImproperium
  7. 🔍 29% Repleatur os meumRepleatur os meum
  8. 🔍 28% Aeterne Rex altissimeAeterne Rex altissime
  9. 🔍 27% Beatus qui auditBeatus qui audit
  10. 🔍 27% LavaboLavabo
  11. 🔍 27% Cum sanctificatusCum sanctificatus
  12. 🔍 26% Ad te levaviAd te levavi
  13. 🔍 26% ConfessioConfessio
  14. 🔍 26% Lux alma Jesu mentiumLux alma Jesu mentium
  15. 🔍 26% HumiliavitHumiliavit
  16. 🔍 26% AdeamusAdeamus
  17. 🔍 25% Introduxit vosIntroduxit vos
  18. 🔍 25% DispersitDispersit
  19. 🔍 25% Domine ne longeDomine ne longe
  20. 🔍 25% Hostis Herodes impieHostis Herodes impie
  21. 🔍 25% Improperium... et dederuntImproperium... et dederunt
  22. 🔍 25% Placare Christe servulisPlacare Christe servulis
  23. 🔍 25% A solis ortu... HieronymeA solis ortu... Hieronyme
  24. 🔍 24% Placare Christe (Omn. Sanct.)Placare Christe (Omn. Sanct.)
  25. 🔍 24% Sacerdotes tuiSacerdotes tui
  26. 🔍 24% DesideriumDesiderium
  27. 🔍 24% In nomine Jesu (ps. Domine)In nomine Jesu (ps. Domine)
  28. 🔍 24% Mihi autem absit (V. Vivo ego)Mihi autem absit (V. Vivo ego)
  29. 🔍 24% Salutis aeternae datorSalutis aeternae dator
  30. 🔍 24% A solis ortus cardineA solis ortus cardine
  31. 🔍 24% Salutis aeternae datorSalutis aeternae dator
  32. 🔍 24% Verbum supernum prodiensVerbum supernum prodiens
  33. 🔍 24% Deus dum egredererisDeus dum egredereris
  34. 🔍 24% PosueruntPosuerunt
  35. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  36. 🔍 24% Credo VIICredo VII
  37. 🔍 24% Domine ne longeDomine ne longe
  38. 🔍 23% Elegit... virumElegit... virum
  39. 🔍 23% Placare Christe servulisPlacare Christe servulis
  40. 🔍 23% Venite exultemus IIIVenite exultemus III
  41. 🔍 23% Eduxit DominusEduxit Dominus
  42. 🔍 23% Quem terra pontus aetheraQuem terra pontus aethera
  43. 🔍 23% Introduxit vosIntroduxit vos
  44. 🔍 23% Lucis Creator optime (Dom. per Annum)Lucis Creator optime (Dom. per Annum)
  45. 🔍 23% Quem terra pontus sideraQuem terra pontus sidera
  46. 🔍 23% Adjutor et protectorAdjutor et protector
  47. 🔍 23% Redemisti nosRedemisti nos
  48. 🔍 23% Praeclara custos VirginumPraeclara custos Virginum
  49. 🔍 23% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  50. 🔍 23% In monte olivisIn monte olivis
  51. 🔍 23% O salutaris Hostia IO salutaris Hostia I
  52. 🔍 23% SuscitaboSuscitabo
  53. 🔍 23% Jubilate DeoJubilate Deo
  54. 🔍 23% Ego clamaviEgo clamavi
  55. 🔍 23% Victricem manumVictricem manum
  56. 🔍 23% Sperent in teSperent in te
  57. 🔍 23% Emisi vosEmisi vos
  58. 🔍 23% In voluntateIn voluntate
  59. 🔍 23% O salutaris Hostia IO salutaris Hostia I
  60. 🔍 23% Improperium... et dederuntImproperium... et dederunt
  61. 🔍 23% Lex veritatisLex veritatis
  62. 🔍 23% Rex SanctorumRex Sanctorum
  63. 🔍 23% Deus tuorum militumDeus tuorum militum
  64. 🔍 23% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  65. 🔍 23% Improperium... et dederuntImproperium... et dederunt