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% Multiplicabitur 1Multiplicabitur 1
  2. 🔍 98% Multiplicabitur 1 (Mode 5a)Multiplicabitur 1 (Mode 5a)
  3. 🔍 87% Multiplicabitur 1Multiplicabitur 1
  4. 🔍 83% Multiplicabitur 1 (Mode 1g)Multiplicabitur 1 (Mode 1g)
  5. 🔍 45% Ecce Dominus venietEcce Dominus veniet
  6. 🔍 45% Ecce Dominus venietEcce Dominus veniet
  7. 🔍 42% MultiplicabiturMultiplicabitur
  8. 🔍 41% Rex nosterRex noster
  9. 🔍 41% Rex nosterRex noster
  10. 🔍 41% In DominoIn Domino
  11. 🔍 41% Ponent DominoPonent Domino
  12. 🔍 41% Ponent DominoPonent Domino
  13. 🔍 39% Montes et omnesMontes et omnes
  14. 🔍 39% Montes et omnesMontes et omnes
  15. 🔍 39% Laetamini cum IerusalemLaetamini cum Ierusalem
  16. 🔍 39% Multiplicabitur ejus imperiumMultiplicabitur ejus imperium
  17. 🔍 39% In domum DominiIn domum Domini
  18. 🔍 38% De caelo venietDe caelo veniet
  19. 🔍 38% De caelo venietDe caelo veniet
  20. 🔍 38% AmpliusAmplius
  21. 🔍 38% Domine clamaviDomine clamavi
  22. 🔍 38% Ecce apparebitEcce apparebit
  23. 🔍 38% Ecce apparebitEcce apparebit
  24. 🔍 38% Qui post meQui post me
  25. 🔍 38% Qui post meQui post me
  26. 🔍 38% Laetamini cum IerusalemLaetamini cum Ierusalem
  27. 🔍 38% Laetamini cum IerusalemLaetamini cum Ierusalem
  28. 🔍 38% Omnipotens SermoOmnipotens Sermo
  29. 🔍 38% Omnipotens SermoOmnipotens Sermo
  30. 🔍 37% IntueminiIntuemini
  31. 🔍 37% IntueminiIntuemini
  32. 🔍 37% Omnis vallis (Mode 5a)Omnis vallis (Mode 5a)
  33. 🔍 37% Ante me non estAnte me non est
  34. 🔍 37% Ego sum ostiumEgo sum ostium
  35. 🔍 37% Ante me non estAnte me non est
  36. 🔍 37% Nemo in eumNemo in eum
  37. 🔍 37% Exsultet spiritusExsultet spiritus
  38. 🔍 36% Non in solo paneNon in solo pane
  39. 🔍 36% Ante me non est (Mode 2*f)Ante me non est (Mode 2*f)
  40. 🔍 36% Omnis vallisOmnis vallis
  41. 🔍 36% Deus misereaturDeus misereatur
  42. 🔍 36% Ecce in nubibusEcce in nubibus
  43. 🔍 36% Ecce in nubibusEcce in nubibus
  44. 🔍 36% Omnis vallisOmnis vallis
  45. 🔍 35% In conspectu angelorumIn conspectu angelorum
  46. 🔍 35% Sedebit DominusSedebit Dominus
  47. 🔍 35% Ego sum ostiumEgo sum ostium
  48. 🔍 35% Omnis spiritusOmnis spiritus
  49. 🔍 35% Dominum Deum tuumDominum Deum tuum
  50. 🔍 35% Domine in caeloDomine in caelo
  51. 🔍 35% LaudaboLaudabo
  52. 🔍 35% In firmamentoIn firmamento
  53. 🔍 35% Dominus venietDominus veniet
  54. 🔍 35% Dominus venietDominus veniet
  55. 🔍 35% Visitavit et fecitVisitavit et fecit
  56. 🔍 35% Dominus legiferDominus legifer
  57. 🔍 35% Dominus legiferDominus legifer
  58. 🔍 35% Omnis vallis (Mode 2d)Omnis vallis (Mode 2d)
  59. 🔍 35% Ante me non est (Mode 1g)Ante me non est (Mode 1g)
  60. 🔍 35% Benedicta tu inBenedicta tu in
  61. 🔍 35% Suscipiant DomineSuscipiant Domine
  62. 🔍 35% Non haberesNon haberes
  63. 🔍 35% Fecit nos DeoFecit nos Deo
  64. 🔍 35% Annuntiate populisAnnuntiate populis
  65. 🔍 35% Spiritus Sanctus in teSpiritus Sanctus in te