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% O clavis DavidO clavis David
  2. 🔍 92% O ClavisO Clavis
  3. 🔍 84% O clavis DavidO clavis David
  4. 🔍 78% O Clavis DavidO Clavis David
  5. 🔍 77% O Clavis DavidO Clavis David
  6. 🔍 77% O Clavis DavidO Clavis David
  7. 🔍 75% O clavis DavidO clavis David
  8. 🔍 66% O Clavis DavidO Clavis David
  9. 🔍 66% O clavis David et sceptrumO clavis David et sceptrum
  10. 🔍 42% O OriensO Oriens
  11. 🔍 37% O OriensO Oriens
  12. 🔍 35% O Virgo virginumO Virgo virginum
  13. 🔍 33% O RosaO Rosa
  14. 🔍 30% O AdonaiO Adonai
  15. 🔍 30% O Thoma DidymeO Thoma Didyme
  16. 🔍 30% O OriensO Oriens
  17. 🔍 29% O Rex gentiumO Rex gentium
  18. 🔍 29% O quam gloriosus est beatusO quam gloriosus est beatus
  19. 🔍 28% Illumina Domine (II)Illumina Domine (II)
  20. 🔍 28% O radix JesseO radix Jesse
  21. 🔍 28% O OriensO Oriens
  22. 🔍 28% O OriensO Oriens
  23. 🔍 27% O Oriens splendorO Oriens splendor
  24. 🔍 26% O superni sponsaO superni sponsa
  25. 🔍 26% O Rex gentiumO Rex gentium
  26. 🔍 26% Pater eramPater eram
  27. 🔍 26% O EmmanuelO Emmanuel
  28. 🔍 25% O OriensO Oriens
  29. 🔍 25% Ecce ego JoannesEcce ego Joannes
  30. 🔍 25% Beati estisBeati estis
  31. 🔍 25% O SapientiaO Sapientia
  32. 🔍 25% Dilectio DeiDilectio Dei
  33. 🔍 24% Invocabit meInvocabit me
  34. 🔍 24% O lux salutis nuntiaO lux salutis nuntia
  35. 🔍 24% Genuit puerperaGenuit puerpera
  36. 🔍 24% Non auferetur sceptum de Juda (Resp.)Non auferetur sceptum de Juda (Resp.)
  37. 🔍 24% O SapientiaO Sapientia
  38. 🔍 24% O Rex gloriaeO Rex gloriae
  39. 🔍 23% O Oriens splendor lucisO Oriens splendor lucis
  40. 🔍 23% O EmmanuelO Emmanuel
  41. 🔍 23% Ecce veniet DeusEcce veniet Deus
  42. 🔍 23% O RadixO Radix
  43. 🔍 23% O AdonaiO Adonai
  44. 🔍 23% O Rex gentiumO Rex gentium
  45. 🔍 23% O beata MargaritaO beata Margarita
  46. 🔍 23% Audi IsraelAudi Israel
  47. 🔍 23% Vidi aquamVidi aquam
  48. 🔍 23% O AdonaiO Adonai
  49. 🔍 23% Benedicta sit sanctaBenedicta sit sancta
  50. 🔍 23% Adorna Sion ThalamumAdorna Sion Thalamum
  51. 🔍 23% Usque modoUsque modo
  52. 🔍 23% Te Deum PatremTe Deum Patrem
  53. 🔍 22% Aeterne RexAeterne Rex
  54. 🔍 22% Beata AgathaBeata Agatha
  55. 🔍 22% Tu ChristeTu Christe
  56. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  57. 🔍 22% Dominus fortitudoDominus fortitudo
  58. 🔍 22% Dominus fortitudoDominus fortitudo
  59. 🔍 22% O AdonaiO Adonai
  60. 🔍 22% Signum crucisSignum crucis
  61. 🔍 22% Salvete Christi vulneraSalvete Christi vulnera
  62. 🔍 22% Invocabit meInvocabit me
  63. 🔍 22% Educ de carcereEduc de carcere
  64. 🔍 22% Corpora SanctorumCorpora Sanctorum
  65. 🔍 21% Praecessor almusPraecessor almus