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% JoannaJoanna
  2. 🔍 75% JoannaJoanna
  3. 🔍 32% PerpetuisPerpetuis
  4. 🔍 26% Haec est JoannaHaec est Joanna
  5. 🔍 24% Qui te posthabitisQui te posthabitis
  6. 🔍 24% Ecce JoannaEcce Joanna
  7. 🔍 24% LaudantemLaudantem
  8. 🔍 23% Gregorius in vita suaGregorius in vita sua
  9. 🔍 22% Stans beata JoannaStans beata Joanna
  10. 🔍 22% Ecce JoannaEcce Joanna
  11. 🔍 22% Fuit virFuit vir
  12. 🔍 21% Unum et verum in TrinitateUnum et verum in Trinitate
  13. 🔍 21% Clotildis mater patriaeClotildis mater patriae
  14. 🔍 21% MemorareMemorare
  15. 🔍 21% Laetare alma materLaetare alma mater
  16. 🔍 21% Amplificatus est (T.P.)Amplificatus est (T.P.)
  17. 🔍 20% Ter virgis caesus sumTer virgis caesus sum
  18. 🔍 20% Dilexi justitiamDilexi justitiam
  19. 🔍 20% Angelis suisAngelis suis
  20. 🔍 20% Praesul invictissimusPraesul invictissimus
  21. 🔍 20% Dum sacrum mysteriumDum sacrum mysterium
  22. 🔍 20% Vidi aquam (B)Vidi aquam (B)
  23. 🔍 20% Meritis et precibus (T.P.)Meritis et precibus (T.P.)
  24. 🔍 20% Dixerunt mundi rectoresDixerunt mundi rectores
  25. 🔍 20% Pastor vigilantissimusPastor vigilantissimus
  26. 🔍 20% Ad regias Agni dapesAd regias Agni dapes
  27. 🔍 20% Ite nuntiate fratribusIte nuntiate fratribus
  28. 🔍 20% Laudemus caeliLaudemus caeli
  29. 🔍 20% Martyr et Pontifex BonifatiusMartyr et Pontifex Bonifatius
  30. 🔍 20% Ave Virgo nobilisAve Virgo nobilis
  31. 🔍 20% Amplificatus estAmplificatus est
  32. 🔍 20% Blandina omnium postremaBlandina omnium postrema
  33. 🔍 20% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  34. 🔍 20% Ad regias Agni dapesAd regias Agni dapes
  35. 🔍 19% Et audientes discipuliEt audientes discipuli
  36. 🔍 19% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus
  37. 🔍 19% Ad cenamAd cenam
  38. 🔍 19% A solis ortusA solis ortus
  39. 🔍 19% Ad coenamAd coenam
  40. 🔍 19% Ad CoenamAd Coenam
  41. 🔍 19% Sanctissima Christi sponsaSanctissima Christi sponsa
  42. 🔍 19% Veni Redemptor gentiumVeni Redemptor gentium
  43. 🔍 19% Deus dum egredererisDeus dum egredereris
  44. 🔍 19% Festivis resonent compitaFestivis resonent compita
  45. 🔍 19% Maiolus caritate redundansMaiolus caritate redundans
  46. 🔍 19% Hodie caelestiHodie caelesti
  47. 🔍 19% Pastor vigilantissimusPastor vigilantissimus
  48. 🔍 19% Damasci praepositusDamasci praepositus
  49. 🔍 19% Adonai Domine DeusAdonai Domine Deus
  50. 🔍 19% Jesus junxit seJesus junxit se
  51. 🔍 19% Egredimini et videte filiae Sion (Ant.)Egredimini et videte filiae Sion (Ant.)
  52. 🔍 18% Te DeumTe Deum
  53. 🔍 18% Joannes autemJoannes autem
  54. 🔍 18% Ecce quod concupiviEcce quod concupivi
  55. 🔍 18% Salve JosephSalve Joseph
  56. 🔍 18% Custodes hominumCustodes hominum
  57. 🔍 18% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  58. 🔍 18% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  59. 🔍 18% Joannes autemJoannes autem
  60. 🔍 18% Ite nuntiate fratribusIte nuntiate fratribus
  61. 🔍 18% In Domino justificabiturIn Domino justificabitur
  62. 🔍 18% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  63. 🔍 18% Aurora soli praeviaAurora soli praevia
  64. 🔍 18% Gloria LausGloria Laus
  65. 🔍 18% Hostis HerodesHostis Herodes