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% Laetatus sumLaetatus sum
  2. 🔍 83% Rogate quae ad pacemRogate quae ad pacem
  3. 🔍 72% Laetatus SumLaetatus Sum
  4. 🔍 59% Laetatus sumLaetatus sum
  5. 🔍 49% Rogate quae ad pacemRogate quae ad pacem
  6. 🔍 36% Laetatus sumLaetatus sum
  7. 🔍 32% Laetatus sumLaetatus sum
  8. 🔍 31% Laetatus sumLaetatus sum
  9. 🔍 25% Egredietur virgaEgredietur virga
  10. 🔍 25% Dirigatur oratio meaDirigatur oratio mea
  11. 🔍 25% Laetatus sum in hisLaetatus sum in his
  12. 🔍 23% Laetatus sumLaetatus sum
  13. 🔍 23% Domine fortitudoDomine fortitudo
  14. 🔍 21% Gaudete cum alleluiaGaudete cum alleluia
  15. 🔍 21% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  16. 🔍 21% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  17. 🔍 21% IlluminaIllumina
  18. 🔍 21% Si consurrexistisSi consurrexistis
  19. 🔍 21% In salutariIn salutari
  20. 🔍 21% Oculi omniumOculi omnium
  21. 🔍 21% Laetare JerusalemLaetare Jerusalem
  22. 🔍 20% Qui ad justitiamQui ad justitiam
  23. 🔍 20% Laetatus sumLaetatus sum
  24. 🔍 20% Domine exaudiDomine exaudi
  25. 🔍 20% Esto mihiEsto mihi
  26. 🔍 20% Laetatus sumLaetatus sum
  27. 🔍 20% Jam laetus moriarJam laetus moriar
  28. 🔍 19% Repleta estRepleta est
  29. 🔍 19% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  30. 🔍 19% In medio EcclesiaeIn medio Ecclesiae
  31. 🔍 19% Populus acquisitionisPopulus acquisitionis
  32. 🔍 19% Gaudete justiGaudete justi
  33. 🔍 19% Fulgentibus palmisFulgentibus palmis
  34. 🔍 19% Passer invenitPasser invenit
  35. 🔍 19% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  36. 🔍 19% Venite exsultemusVenite exsultemus
  37. 🔍 19% Gloria et divitiaeGloria et divitiae
  38. 🔍 19% Erit vobisErit vobis
  39. 🔍 19% Ne timeasNe timeas
  40. 🔍 19% Tenuisti manumTenuisti manum
  41. 🔍 19% Domus meaDomus mea
  42. 🔍 19% Lauda JerusalemLauda Jerusalem
  43. 🔍 19% In splendoribusIn splendoribus
  44. 🔍 19% Domine exaudi... et clamorDomine exaudi... et clamor
  45. 🔍 19% In die solemnitatisIn die solemnitatis
  46. 🔍 19% SperaSpera
  47. 🔍 19% Beata gensBeata gens
  48. 🔍 19% Justus ut palma (Intr.)Justus ut palma (Intr.)
  49. 🔍 19% Benedicimus DeumBenedicimus Deum
  50. 🔍 19% SenioresSeniores
  51. 🔍 19% Simon JoannisSimon Joannis
  52. 🔍 18% Domine DeusDomine Deus
  53. 🔍 18% Inclina DomineInclina Domine
  54. 🔍 18% Dominus fortitudoDominus fortitudo
  55. 🔍 18% Quasi rosaQuasi rosa
  56. 🔍 18% Ecce Dominus venietEcce Dominus veniet
  57. 🔍 18% Intonuit de caeloIntonuit de caelo
  58. 🔍 18% GloriabunturGloriabuntur
  59. 🔍 18% Terribilis estTerribilis est
  60. 🔍 18% Gloria (ad lib.) II.Gloria (ad lib.) II.
  61. 🔍 18% Laetamini in DominoLaetamini in Domino
  62. 🔍 18% TradideruntTradiderunt
  63. 🔍 18% Cantate DominoCantate Domino
  64. 🔍 18% UniversiUniversi
  65. 🔍 18% Liberasti nosLiberasti nos