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% Iste quem laetiIste quem laeti
  2. 🔍 46% Iste quem laeti colimusIste quem laeti colimus
  3. 🔍 42% Iste quem laetiIste quem laeti
  4. 🔍 40% Iste quem laetiIste quem laeti
  5. 🔍 39% Itse quem laetiItse quem laeti
  6. 🔍 31% Caelitum JosephCaelitum Joseph
  7. 🔍 30% Mente jucundaMente jucunda
  8. 🔍 28% Ut queant laxisUt queant laxis
  9. 🔍 27% Grande RaymundiGrande Raymundi
  10. 🔍 25% Iste Confessor (Conf. not Bishop) 5Iste Confessor (Conf. not Bishop) 5
  11. 🔍 23% O nimis felixO nimis felix
  12. 🔍 22% Emendemus in meliusEmendemus in melius
  13. 🔍 22% Gloria XIGloria XI
  14. 🔍 21% Iste Confessor (Impr. Stigmatum)Iste Confessor (Impr. Stigmatum)
  15. 🔍 21% Angelus Domini apparuit (S. Jos.)Angelus Domini apparuit (S. Jos.)
  16. 🔍 21% Iste Confessor (Conf. not Bishop)Iste Confessor (Conf. not Bishop)
  17. 🔍 21% Dixit Mater ejusDixit Mater ejus
  18. 🔍 21% Iste Confessor (Conf. Bishop) 1Iste Confessor (Conf. Bishop) 1
  19. 🔍 21% Corde et animoCorde et animo
  20. 🔍 21% Coelitum JosephCoelitum Joseph
  21. 🔍 21% Quem vidistisQuem vidistis
  22. 🔍 21% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  23. 🔍 20% Nocte jam pulsaNocte jam pulsa
  24. 🔍 20% Gloria IGloria I
  25. 🔍 20% Iste Confessorum Domini (in Feriis quintis)Iste Confessorum Domini (in Feriis quintis)
  26. 🔍 20% Te Joseph celebrent (II)Te Joseph celebrent (II)
  27. 🔍 20% Beata AgnesBeata Agnes
  28. 🔍 20% Deo canamusDeo canamus
  29. 🔍 20% GaudeamusGaudeamus
  30. 🔍 20% Iste Confessorum Domini (in Dominicis)Iste Confessorum Domini (in Dominicis)
  31. 🔍 20% O robur DominiO robur Domini
  32. 🔍 20% Hac MargaritaHac Margarita
  33. 🔍 20% Regnum mundiRegnum mundi
  34. 🔍 20% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  35. 🔍 19% Benedicta filiaBenedicta filia
  36. 🔍 19% Benedicamus Domino (VII)Benedicamus Domino (VII)
  37. 🔍 19% Non fraus magnanimumNon fraus magnanimum
  38. 🔍 19% Gaude Mater PoloniaGaude Mater Polonia
  39. 🔍 19% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  40. 🔍 19% Martinae celebri plauditeMartinae celebri plaudite
  41. 🔍 19% Juste et sancteJuste et sancte
  42. 🔍 19% Caeli civesCaeli cives
  43. 🔍 19% Custodi meCustodi me
  44. 🔍 19% Celsi meritiCelsi meriti
  45. 🔍 19% Benedicamus PatremBenedicamus Patrem
  46. 🔍 19% Lucis creatorLucis creator
  47. 🔍 19% Iste confessor (III)Iste confessor (III)
  48. 🔍 19% Joannes vocabiturJoannes vocabitur
  49. 🔍 19% Domus meaDomus mea
  50. 🔍 19% Inclitus pastorInclitus pastor
  51. 🔍 18% O vos aethereiO vos aetherei
  52. 🔍 18% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  53. 🔍 18% Omnis expertemOmnis expertem
  54. 🔍 18% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  55. 🔍 18% Cum angelisCum angelis
  56. 🔍 18% Panis angelicusPanis angelicus
  57. 🔍 18% Gloria XIGloria XI
  58. 🔍 18% Martyrum virtusMartyrum virtus
  59. 🔍 18% Iste est JoannesIste est Joannes
  60. 🔍 18% Laudemus DominumLaudemus Dominum
  61. 🔍 18% Iste sanctusIste sanctus
  62. 🔍 18% Stephani victoria!Stephani victoria!
  63. 🔍 18% Iste Confessor (Conf. Bishop)Iste Confessor (Conf. Bishop)
  64. 🔍 18% Gaudentes festumGaudentes festum
  65. 🔍 18% Magnus praecoMagnus praeco