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. 🔍 64% Laetatus sumLaetatus sum
  3. 🔍 50% Laetatus sumLaetatus sum
  4. 🔍 35% Laetatus sumLaetatus sum
  5. 🔍 31% Ecce virgoEcce virgo
  6. 🔍 29% Justus ut palma (Intr.)Justus ut palma (Intr.)
  7. 🔍 28% Da pacemDa pacem
  8. 🔍 28% Laetatus sum in hisLaetatus sum in his
  9. 🔍 28% Domine Deus... qui repertusDomine Deus... qui repertus
  10. 🔍 27% Justorum animae (Off.)Justorum animae (Off.)
  11. 🔍 27% In virtute tuaIn virtute tua
  12. 🔍 27% Laetatus sumLaetatus sum
  13. 🔍 26% Gloria (ad lib.) II.Gloria (ad lib.) II.
  14. 🔍 26% Laetare JerusalemLaetare Jerusalem
  15. 🔍 26% Benedicite omnes AngeliBenedicite omnes Angeli
  16. 🔍 26% Petite cum AlleluiaPetite cum Alleluia
  17. 🔍 26% Si quis sititSi quis sitit
  18. 🔍 26% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  19. 🔍 25% Gaudete cum alleluiaGaudete cum alleluia
  20. 🔍 25% GaudeteGaudete
  21. 🔍 25% Jerusalem surgeJerusalem surge
  22. 🔍 25% Memento nostriMemento nostri
  23. 🔍 25% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  24. 🔍 25% In die solemnitatisIn die solemnitatis
  25. 🔍 25% Ego Dominus inebriaboEgo Dominus inebriabo
  26. 🔍 24% Data est mihiData est mihi
  27. 🔍 24% Ecce concipietEcce concipiet
  28. 🔍 24% Stetit Angelus (Off)Stetit Angelus (Off)
  29. 🔍 24% StatuitStatuit
  30. 🔍 24% Diligite DominumDiligite Dominum
  31. 🔍 24% De profundisDe profundis
  32. 🔍 24% Cantate DominoCantate Domino
  33. 🔍 24% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  34. 🔍 24% Timete DominumTimete Dominum
  35. 🔍 24% GloriabunturGloriabuntur
  36. 🔍 24% Mihi absitMihi absit
  37. 🔍 24% Obaudite meObaudite me
  38. 🔍 24% ExclamaveruntExclamaverunt
  39. 🔍 24% Quae mihi fueruntQuae mihi fuerunt
  40. 🔍 24% Angelus Domini apparuitAngelus Domini apparuit
  41. 🔍 24% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  42. 🔍 24% Beatam me dicentBeatam me dicent
  43. 🔍 24% Dominus dabitDominus dabit
  44. 🔍 23% Vidimus stellamVidimus stellam
  45. 🔍 23% Deus autemDeus autem
  46. 🔍 23% Inclinet DominusInclinet Dominus
  47. 🔍 23% In salutariIn salutari
  48. 🔍 23% Venite filiiVenite filii
  49. 🔍 23% Dominus fortitudoDominus fortitudo
  50. 🔍 23% Ad te DomineAd te Domine
  51. 🔍 23% Sedebit DominusSedebit Dominus
  52. 🔍 23% Laetatus sumLaetatus sum
  53. 🔍 23% Domine convertereDomine convertere
  54. 🔍 23% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  55. 🔍 23% Effusum estEffusum est
  56. 🔍 23% Cantate DominoCantate Domino
  57. 🔍 23% Benedicam DominumBenedicam Dominum
  58. 🔍 23% ExclamaveruntExclamaverunt
  59. 🔍 23% Stetit PontifexStetit Pontifex
  60. 🔍 23% Deus docuistiDeus docuisti
  61. 🔍 23% ConsummatusConsummatus
  62. 🔍 23% Si consurrexistisSi consurrexistis
  63. 🔍 23% Agnus Dei VIIIAgnus Dei VIII
  64. 🔍 23% Domine in auxiliumDomine in auxilium
  65. 🔍 23% RevelabiturRevelabitur