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% Hic MartinusHic Martinus
  2. 🔍 76% ConcaluitConcaluit
  3. 🔍 74% Posuisti Domine (All.)Posuisti Domine (All.)
  4. 🔍 40% DedistiDedisti
  5. 🔍 35% FranciscusFranciscus
  6. 🔍 34% Te saeculorum PrincipemTe saeculorum Principem
  7. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  8. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  9. 🔍 32% Posuisti Domine (All.)Posuisti Domine (All.)
  10. 🔍 32% Stetit Angelus (Off)Stetit Angelus (Off)
  11. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  12. 🔍 31% AemulorAemulor
  13. 🔍 31% VerumtamenVerumtamen
  14. 🔍 30% Posuisti DominePosuisti Domine
  15. 🔍 30% FranciscusFranciscus
  16. 🔍 29% Hic EdmundusHic Edmundus
  17. 🔍 29% Optime PaterOptime Pater
  18. 🔍 29% Stetit PontifexStetit Pontifex
  19. 🔍 29% Posuisti Domine (All.)Posuisti Domine (All.)
  20. 🔍 29% Ave Regina caelorumAve Regina caelorum
  21. 🔍 29% FranciscusFranciscus
  22. 🔍 29% Dedisti mihiDedisti mihi
  23. 🔍 28% De quacumqueDe quacumque
  24. 🔍 28% Stetit pontifexStetit pontifex
  25. 🔍 28% Beata nobisBeata nobis
  26. 🔍 28% Beata nobis gaudiaBeata nobis gaudia
  27. 🔍 28% Beata nobis gaudiaBeata nobis gaudia
  28. 🔍 28% Te saeculorum PrincipemTe saeculorum Principem
  29. 🔍 26% Felix namque esFelix namque es
  30. 🔍 25% Inclinet DominusInclinet Dominus
  31. 🔍 25% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  32. 🔍 25% Cornelius centurioCornelius centurio
  33. 🔍 25% Felix namque esFelix namque es
  34. 🔍 25% Dedisti mihiDedisti mihi
  35. 🔍 25% Stetit PontifexStetit Pontifex
  36. 🔍 25% AdducenturAdducentur
  37. 🔍 24% Inclinet DominusInclinet Dominus
  38. 🔍 24% Corona tribulationisCorona tribulationis
  39. 🔍 24% O salutaris Hostia IIIO salutaris Hostia III
  40. 🔍 24% Viri GalilaeiViri Galilaei
  41. 🔍 24% Justorum animae (Off.)Justorum animae (Off.)
  42. 🔍 24% Iesu Salvator saeculiIesu Salvator saeculi
  43. 🔍 24% Ex ejus tumbaEx ejus tumba
  44. 🔍 23% Corona tribulationisCorona tribulationis
  45. 🔍 23% Justorum animaeJustorum animae
  46. 🔍 23% VerumtamenVerumtamen
  47. 🔍 23% Veni Domine et noliVeni Domine et noli
  48. 🔍 23% Quomodo fiet istudQuomodo fiet istud
  49. 🔍 22% Dignus es DomineDignus es Domine
  50. 🔍 22% Isti sunt viri... quos elegitIsti sunt viri... quos elegit
  51. 🔍 22% Exsultet caelum laudibus (modus 1)Exsultet caelum laudibus (modus 1)
  52. 🔍 22% Martinus Abrahae sinuMartinus Abrahae sinu
  53. 🔍 22% Sertum gestansSertum gestans
  54. 🔍 22% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  55. 🔍 22% Montes GelboeMontes Gelboe
  56. 🔍 22% Viri GalilaeiViri Galilaei
  57. 🔍 22% Lux perpetuaLux perpetua
  58. 🔍 22% Quem quaeritisQuem quaeritis
  59. 🔍 21% Stetit Angelus (Off)Stetit Angelus (Off)
  60. 🔍 21% Vexilla RegisVexilla Regis
  61. 🔍 21% Mittat vobisMittat vobis
  62. 🔍 21% Sancte PauleSancte Paule
  63. 🔍 21% Stetit Angelus (Off)Stetit Angelus (Off)
  64. 🔍 21% Te sancte rursus LudoviceTe sancte rursus Ludovice
  65. 🔍 21% Isti sunt duae olivaeIsti sunt duae olivae