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% Audita est quasi voxAudita est quasi vox
  2. 🔍 68% Quomodo fiet istudQuomodo fiet istud
  3. 🔍 40% Concede nobis DomineConcede nobis Domine
  4. 🔍 40% Gloriosus Dei amicusGloriosus Dei amicus
  5. 🔍 38% Beata AgathaBeata Agatha
  6. 🔍 37% Beata nobis gaudiaBeata nobis gaudia
  7. 🔍 36% Magnus sanctus PaulusMagnus sanctus Paulus
  8. 🔍 36% Beata nobis gaudiaBeata nobis gaudia
  9. 🔍 36% Te saeculorum PrincipemTe saeculorum Principem
  10. 🔍 36% Christi milesChristi miles
  11. 🔍 35% Factum est in unaFactum est in una
  12. 🔍 35% Ecce ego JoannesEcce ego Joannes
  13. 🔍 35% Cornelius centurioCornelius centurio
  14. 🔍 35% Ego te tuliEgo te tuli
  15. 🔍 34% Gloria XIIIGloria XIII
  16. 🔍 34% Stetit pontifexStetit pontifex
  17. 🔍 34% Justorum animae (Off.)Justorum animae (Off.)
  18. 🔍 34% Aspice DomineAspice Domine
  19. 🔍 33% Felix per omnesFelix per omnes
  20. 🔍 33% Surge propera... formosaSurge propera... formosa
  21. 🔍 33% Viri GalilaeiViri Galilaei
  22. 🔍 33% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce
  23. 🔍 33% Judicii signumJudicii signum
  24. 🔍 33% Stetit Angelus (Off)Stetit Angelus (Off)
  25. 🔍 33% Ex ejus tumbaEx ejus tumba
  26. 🔍 33% Sertum gestansSertum gestans
  27. 🔍 33% Felix namqueFelix namque
  28. 🔍 33% O spem miramO spem miram
  29. 🔍 33% Legis sacrataeLegis sacratae
  30. 🔍 32% Descendit JesusDescendit Jesus
  31. 🔍 32% Ave Regina caelorumAve Regina caelorum
  32. 🔍 32% De quacumqueDe quacumque
  33. 🔍 32% Stetit PontifexStetit Pontifex
  34. 🔍 32% Inclinet DominusInclinet Dominus
  35. 🔍 32% Felix namque esFelix namque es
  36. 🔍 32% O spem miramO spem miram
  37. 🔍 32% O spem miramO spem miram
  38. 🔍 32% Repleta est Spiritu SanctoRepleta est Spiritu Sancto
  39. 🔍 32% Vexilla Regis prodeuntVexilla Regis prodeunt
  40. 🔍 32% Iesu Salvator saeculiIesu Salvator saeculi
  41. 🔍 31% Sancte PauleSancte Paule
  42. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  43. 🔍 31% Jesu nostra redemptioJesu nostra redemptio
  44. 🔍 31% Beata nobisBeata nobis
  45. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  46. 🔍 31% AemulorAemulor
  47. 🔍 31% Vos estis lux mundiVos estis lux mundi
  48. 🔍 31% Tu Domine qui misistiTu Domine qui misisti
  49. 🔍 31% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  50. 🔍 31% Salus et gloria - mode IVSalus et gloria - mode IV
  51. 🔍 31% Beata es Maria quae omniumBeata es Maria quae omnium
  52. 🔍 31% Exsultet iam angelicaExsultet iam angelica
  53. 🔍 31% Felix spinaFelix spina
  54. 🔍 30% O spem miramO spem miram
  55. 🔍 30% Optime PaterOptime Pater
  56. 🔍 30% Terribilis estTerribilis est
  57. 🔍 30% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  58. 🔍 30% Justorum animaeJustorum animae
  59. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  60. 🔍 30% Igitur perfecti suntIgitur perfecti sunt
  61. 🔍 30% In manus tuas Domine (Per Annum)In manus tuas Domine (Per Annum)
  62. 🔍 30% Audita est vox infantiumAudita est vox infantium
  63. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  64. 🔍 30% Stetit Angelus (Off)Stetit Angelus (Off)
  65. 🔍 30% Iam ChristusIam Christus