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% Sacerdos magnusSacerdos magnus
  2. 🔍 62% Sacerdos magnusSacerdos magnus
  3. 🔍 58% Sacerdos magnusSacerdos magnus
  4. 🔍 49% Cum invocarem teCum invocarem te
  5. 🔍 36% Potum meumPotum meum
  6. 🔍 35% Memor estoMemor esto
  7. 🔍 32% Cum invocarem teCum invocarem te
  8. 🔍 30% Gregorius in vita suaGregorius in vita sua
  9. 🔍 30% Bonum mihiBonum mihi
  10. 🔍 29% Unus militumUnus militum
  11. 🔍 28% PetitePetite
  12. 🔍 27% Cum invocarem teCum invocarem te
  13. 🔍 26% Domine Deus meusDomine Deus meus
  14. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  17. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  18. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  19. 🔍 25% Super omniaSuper omnia
  20. 🔍 25% Quasi stellaQuasi stella
  21. 🔍 25% VoveteVovete
  22. 🔍 25% O quam speciosaO quam speciosa
  23. 🔍 25% Vir eratVir erat
  24. 🔍 25% Passer invenitPasser invenit
  25. 🔍 24% Domine quinque talentaDomine quinque talenta
  26. 🔍 24% O gente felix hospitaO gente felix hospita
  27. 🔍 24% Ecce sacerdos magnusEcce sacerdos magnus
  28. 🔍 24% Introibo (St Louis)Introibo (St Louis)
  29. 🔍 24% Archangeli MichaelisArchangeli Michaelis
  30. 🔍 23% Omnipotens adorandeOmnipotens adorande
  31. 🔍 23% Magnus praecoMagnus praeco
  32. 🔍 23% O Redemptor O Redemptor
  33. 🔍 23% O RedemptorO Redemptor
  34. 🔍 23% Redime meRedime me
  35. 🔍 23% Archangeli GabrielisArchangeli Gabrielis
  36. 🔍 23% Potum meumPotum meum
  37. 🔍 22% Dominus regit meDominus regit me
  38. 🔍 22% Immutemur habituImmutemur habitu
  39. 🔍 22% Dicit AndreasDicit Andreas
  40. 🔍 22% Respice in meRespice in me
  41. 🔍 22% In voluntateIn voluntate
  42. 🔍 22% Domine Dominus nosterDomine Dominus noster
  43. 🔍 22% Quasi stella... quasi solQuasi stella... quasi sol
  44. 🔍 22% Super omniaSuper omnia
  45. 🔍 22% Populus SionPopulus Sion
  46. 🔍 22% De necessitatibusDe necessitatibus
  47. 🔍 22% Filiae regumFiliae regum
  48. 🔍 22% Beatus qui auditBeatus qui audit
  49. 🔍 22% SitivitSitivit
  50. 🔍 21% Sancte PauleSancte Paule
  51. 🔍 21% Aeterne sol qui lumineAeterne sol qui lumine
  52. 🔍 21% LaetareLaetare
  53. 🔍 21% Amen dico vobis quod vosAmen dico vobis quod vos
  54. 🔍 21% O beata MaterO beata Mater
  55. 🔍 21% Videte quoniamVidete quoniam
  56. 🔍 21% Testis mihiTestis mihi
  57. 🔍 21% Domine exaudiDomine exaudi
  58. 🔍 20% De ore leonisDe ore leonis
  59. 🔍 20% Venite exultemus IIIVenite exultemus III
  60. 🔍 20% Qui biberitQui biberit
  61. 🔍 20% Quando orabasQuando orabas
  62. 🔍 20% Tu es vas electionisTu es vas electionis
  63. 🔍 20% Ingressus RaphaelIngressus Raphael
  64. 🔍 20% Audi IsraelAudi Israel
  65. 🔍 20% MachabaeusMachabaeus