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% Laetatus sumLaetatus sum
  2. 🔍 57% AedificansAedificans
  3. 🔍 35% Laetatus sumLaetatus sum
  4. 🔍 32% Laetatus sumLaetatus sum
  5. 🔍 30% Laetatus sumLaetatus sum
  6. 🔍 30% Laetatus sumLaetatus sum
  7. 🔍 29% Laetatus sum in hisLaetatus sum in his
  8. 🔍 28% LaetamusLaetamus
  9. 🔍 28% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  10. 🔍 26% Domine Deus... qui repertusDomine Deus... qui repertus
  11. 🔍 26% Erit autem sanguisErit autem sanguis
  12. 🔍 26% Venite comediteVenite comedite
  13. 🔍 24% Da pacemDa pacem
  14. 🔍 24% Paraclitus SpiritusParaclitus Spiritus
  15. 🔍 24% Laetatus sumLaetatus sum
  16. 🔍 24% Laetatus sum in hisLaetatus sum in his
  17. 🔍 23% Adorate DeumAdorate Deum
  18. 🔍 23% SapientiaSapientia
  19. 🔍 23% Dextera DominiDextera Domini
  20. 🔍 22% Christus passus estChristus passus est
  21. 🔍 22% Tota pulchra es Maria (All)Tota pulchra es Maria (All)
  22. 🔍 22% Qui timent DominumQui timent Dominum
  23. 🔍 22% Justus ut palmaJustus ut palma
  24. 🔍 22% Libera me Domine de morteLibera me Domine de morte
  25. 🔍 22% Dominus dabitDominus dabit
  26. 🔍 21% Ecce quam bonum. V. QuoniamEcce quam bonum. V. Quoniam
  27. 🔍 21% LoquebanturLoquebantur
  28. 🔍 21% Justi epulenturJusti epulentur
  29. 🔍 21% IlluminaIllumina
  30. 🔍 21% Clamaverunt ad teClamaverunt ad te
  31. 🔍 21% De quacumqueDe quacumque
  32. 🔍 21% AlleluiaAlleluia
  33. 🔍 21% Qui me inveneritQui me invenerit
  34. 🔍 21% Manum suamManum suam
  35. 🔍 21% Juravit DominusJuravit Dominus
  36. 🔍 20% Domine in virtuteDomine in virtute
  37. 🔍 20% Ecce concipietEcce concipiet
  38. 🔍 20% Posuisti Domine (Resp. Grad.)Posuisti Domine (Resp. Grad.)
  39. 🔍 20% Veni Creator SpiritusVeni Creator Spiritus
  40. 🔍 20% Qui docti fuerint fulgebuntQui docti fuerint fulgebunt
  41. 🔍 20% Veni Domine et noliVeni Domine et noli
  42. 🔍 20% Da pacemDa pacem
  43. 🔍 20% Laetatus sumLaetatus sum
  44. 🔍 20% Tollite hostiasTollite hostias
  45. 🔍 20% Fac nos innocuamFac nos innocuam
  46. 🔍 20% Rogavi pro teRogavi pro te
  47. 🔍 20% Quem terra pontus sideraQuem terra pontus sidera
  48. 🔍 20% Miserere mei DeusMiserere mei Deus
  49. 🔍 19% Factus est DominusFactus est Dominus
  50. 🔍 19% HerodesHerodes
  51. 🔍 19% Spiritus DominiSpiritus Domini
  52. 🔍 19% Diligite DominumDiligite Dominum
  53. 🔍 19% Ne timeasNe timeas
  54. 🔍 19% Rex summe regumRex summe regum
  55. 🔍 19% Repleti fructuRepleti fructu
  56. 🔍 19% Ecce quam bonum. V. SicutEcce quam bonum. V. Sicut
  57. 🔍 19% Mihi autem nimisMihi autem nimis
  58. 🔍 19% Mittat vobisMittat vobis
  59. 🔍 19% Salve VirginaleSalve Virginale
  60. 🔍 19% Magnus sanctus PaulusMagnus sanctus Paulus
  61. 🔍 19% Beata visceraBeata viscera
  62. 🔍 19% In virtute tuaIn virtute tua
  63. 🔍 19% ConfundanturConfundantur
  64. 🔍 19% Adesto sancta TrinitasAdesto sancta Trinitas
  65. 🔍 19% Omnes gentes plaudite (Intr)Omnes gentes plaudite (Intr)