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% Angelis suisAngelis suis
  2. 🔍 69% Angelis suis DeusAngelis suis Deus
  3. 🔍 67% Angelis suisAngelis suis
  4. 🔍 59% Angelis suisAngelis suis
  5. 🔍 42% Angelis suis Deus mandavit de teAngelis suis Deus mandavit de te
  6. 🔍 38% Angelis sui Deus Mandavit de teAngelis sui Deus Mandavit de te
  7. 🔍 36% Fidelis DominusFidelis Dominus
  8. 🔍 32% Angelis suisAngelis suis
  9. 🔍 32% Angelis suisAngelis suis
  10. 🔍 31% In servis suisIn servis suis
  11. 🔍 29% Angelis suisAngelis suis
  12. 🔍 28% Angelis suisAngelis suis
  13. 🔍 28% Fidelis DominusFidelis Dominus
  14. 🔍 28% Angelis suisAngelis suis
  15. 🔍 27% Ab omni via malaAb omni via mala
  16. 🔍 27% Dominus custodit teDominus custodit te
  17. 🔍 26% Angelis suis mandavitAngelis suis mandavit
  18. 🔍 26% Tu DomineTu Domine
  19. 🔍 26% Cum angelisCum angelis
  20. 🔍 25% Benedicta tu... RosaBenedicta tu... Rosa
  21. 🔍 25% Requiem (Ant.)Requiem (Ant.)
  22. 🔍 25% RedemptionemRedemptionem
  23. 🔍 25% Fidelis DominusFidelis Dominus
  24. 🔍 24% O per omniaO per omnia
  25. 🔍 24% Sion noli timereSion noli timere
  26. 🔍 24% Qui timetQui timet
  27. 🔍 24% Benedictus... IsraelBenedictus... Israel
  28. 🔍 24% In omnibus hisIn omnibus his
  29. 🔍 23% Omnes angeli ejusOmnes angeli ejus
  30. 🔍 23% Laudate... de caelisLaudate... de caelis
  31. 🔍 23% Ut cognoscamusUt cognoscamus
  32. 🔍 23% Da mercedemDa mercedem
  33. 🔍 23% Misericordia tuaMisericordia tua
  34. 🔍 23% Adversum meAdversum me
  35. 🔍 23% AnnuntiateAnnuntiate
  36. 🔍 22% BenedictionemBenedictionem
  37. 🔍 22% Forti animoForti animo
  38. 🔍 22% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  39. 🔍 22% In DominoIn Domino
  40. 🔍 22% In sanctitate et justitiaIn sanctitate et justitia
  41. 🔍 22% Quaerite DominumQuaerite Dominum
  42. 🔍 22% Dominus aedificetDominus aedificet
  43. 🔍 22% Adversum meAdversum me
  44. 🔍 22% Quam bonusQuam bonus
  45. 🔍 22% De profundisDe profundis
  46. 🔍 22% Veni Domine et noliVeni Domine et noli
  47. 🔍 22% Dominus... plebemDominus... plebem
  48. 🔍 22% De fructuDe fructu
  49. 🔍 22% Angele DeiAngele Dei
  50. 🔍 22% In servis suisIn servis suis
  51. 🔍 22% Dominus... erexitDominus... erexit
  52. 🔍 22% Educ de custodiaEduc de custodia
  53. 🔍 21% Laeva ejusLaeva ejus
  54. 🔍 21% Ad te... vigiloAd te... vigilo
  55. 🔍 21% Te lucis ante terminumTe lucis ante terminum
  56. 🔍 21% Media nocteMedia nocte
  57. 🔍 21% Redime meRedime me
  58. 🔍 21% Corde et animoCorde et animo
  59. 🔍 21% Te lucis ante terminum (Dupl.)Te lucis ante terminum (Dupl.)
  60. 🔍 21% Deus meus in teDeus meus in te
  61. 🔍 21% Alleluia laudate DominumAlleluia laudate Dominum
  62. 🔍 21% Laetare TeresiaLaetare Teresia
  63. 🔍 21% Laudate... quia benignusLaudate... quia benignus
  64. 🔍 21% Ecce completa suntEcce completa sunt
  65. 🔍 21% Ecce nunc tempus acceptabileEcce nunc tempus acceptabile