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% O AdonaiO Adonai
  2. 🔍 65% O AdonaiO Adonai
  3. 🔍 63% O AdonaiO Adonai
  4. 🔍 61% O AdonaiO Adonai
  5. 🔍 60% O AdonaiO Adonai
  6. 🔍 60% O AdonaiO Adonai
  7. 🔍 55% O AdonaiO Adonai
  8. 🔍 47% O RadixO Radix
  9. 🔍 42% O Rex gentiumO Rex gentium
  10. 🔍 42% O EmmanuelO Emmanuel
  11. 🔍 41% O ClavisO Clavis
  12. 🔍 39% O OriensO Oriens
  13. 🔍 37% O SapientiaO Sapientia
  14. 🔍 35% O SapientiaO Sapientia
  15. 🔍 34% O radix JesseO radix Jesse
  16. 🔍 33% O superni sponsaO superni sponsa
  17. 🔍 31% Adonai Domine DeusAdonai Domine Deus
  18. 🔍 30% O clavis DavidO clavis David
  19. 🔍 28% O quam gloriosus est beatusO quam gloriosus est beatus
  20. 🔍 27% O Thoma DidymeO Thoma Didyme
  21. 🔍 27% O RosaO Rosa
  22. 🔍 27% O Rex gloriaeO Rex gloriae
  23. 🔍 26% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  24. 🔍 25% O Virgo virginumO Virgo virginum
  25. 🔍 24% Dux fideiDux fidei
  26. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 24% Summum RegemSummum Regem
  28. 🔍 24% Adonai Domine Deus (mode 8)Adonai Domine Deus (mode 8)
  29. 🔍 24% Adonai Domine DeusAdonai Domine Deus
  30. 🔍 23% In craticulaIn craticula
  31. 🔍 23% Beati estisBeati estis
  32. 🔍 23% Quomodo fiet istudQuomodo fiet istud
  33. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  34. 🔍 23% Decus morumDecus morum
  35. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  36. 🔍 22% Sanctorum meritis inclytaSanctorum meritis inclyta
  37. 🔍 22% Hostis HerodesHostis Herodes
  38. 🔍 22% Et veneruntEt venerunt
  39. 🔍 22% Sanctorum meritisSanctorum meritis
  40. 🔍 22% Qui de terraQui de terra
  41. 🔍 22% Te Deum PatremTe Deum Patrem
  42. 🔍 22% O AdonaiO Adonai
  43. 🔍 22% Genuit puerperaGenuit puerpera
  44. 🔍 21% Qui persequebantur justumQui persequebantur justum
  45. 🔍 21% ReminiscereReminiscere
  46. 🔍 21% Ante luciferum genitusAnte luciferum genitus
  47. 🔍 21% Angelorum escaAngelorum esca
  48. 🔍 21% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  49. 🔍 21% Aspice DomineAspice Domine
  50. 🔍 21% Si in digito DeiSi in digito Dei
  51. 🔍 21% Audi IsraelAudi Israel
  52. 🔍 21% O castitatis signiferO castitatis signifer
  53. 🔍 21% Audi benigneAudi benigne
  54. 🔍 21% O crux splendidiorO crux splendidior
  55. 🔍 21% Factum est in unaFactum est in una
  56. 🔍 21% Beatus AntoninusBeatus Antoninus
  57. 🔍 21% A solis ortusA solis ortus
  58. 🔍 21% Summae Deus clementiae septemSummae Deus clementiae septem
  59. 🔍 21% O vos omnesO vos omnes
  60. 🔍 21% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  61. 🔍 21% O radix JesseO radix Jesse
  62. 🔍 20% In DominoIn Domino
  63. 🔍 20% Tres pueriTres pueri
  64. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  65. 🔍 20% Benedictus... IsraelBenedictus... Israel