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% Laeva ejusLaeva ejus
  2. 🔍 72% Laeva ejusLaeva ejus
  3. 🔍 55% Laeva ejusLaeva ejus
  4. 🔍 55% Laeva ejusLaeva ejus
  5. 🔍 49% Laeva ejusLaeva ejus
  6. 🔍 27% Quaerite DominumQuaerite Dominum
  7. 🔍 26% Sancti ejusSancti ejus
  8. 🔍 24% Exspectabo DominumExspectabo Dominum
  9. 🔍 23% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  10. 🔍 23% Adversum meAdversum me
  11. 🔍 23% Pax VobisPax Vobis
  12. 🔍 23% Sion noli timereSion noli timere
  13. 🔍 23% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  14. 🔍 23% Alleluia. (Sund. P. T. at Lauds)Alleluia. (Sund. P. T. at Lauds)
  15. 🔍 23% Prudentes virginesPrudentes virgines
  16. 🔍 23% Adversum meAdversum me
  17. 🔍 22% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  18. 🔍 22% Alleluia (Wednesday P. T. at Lauds)Alleluia (Wednesday P. T. at Lauds)
  19. 🔍 22% Dextera DominiDextera Domini
  20. 🔍 21% Alleluia Omnes GentesAlleluia Omnes Gentes
  21. 🔍 21% Alleluia (mode 8)Alleluia (mode 8)
  22. 🔍 21% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  23. 🔍 21% Ite nuntiate fratribusIte nuntiate fratribus
  24. 🔍 21% Ecce veniet Propheta magnusEcce veniet Propheta magnus
  25. 🔍 21% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  26. 🔍 21% Media nocteMedia nocte
  27. 🔍 21% Omnes GentesOmnes Gentes
  28. 🔍 20% Custodivit eam Angelus ejusCustodivit eam Angelus ejus
  29. 🔍 20% Speciosa facta es (Ant)Speciosa facta es (Ant)
  30. 🔍 20% Viri GalilaeiViri Galilaei
  31. 🔍 20% Viri GalilaeiViri Galilaei
  32. 🔍 20% Dixit Mater ejusDixit Mater ejus
  33. 🔍 20% Dum esset rexDum esset rex
  34. 🔍 20% Adversum meAdversum me
  35. 🔍 20% Media nocteMedia nocte
  36. 🔍 20% In odoremIn odorem
  37. 🔍 20% Dextera DominiDextera Domini
  38. 🔍 19% In tua justitiaIn tua justitia
  39. 🔍 19% Date ei de fructuDate ei de fructu
  40. 🔍 19% Alleluia (ant.)Alleluia (ant.)
  41. 🔍 19% Alleluia (ant.)Alleluia (ant.)
  42. 🔍 19% Libera me de sanguinibusLibera me de sanguinibus
  43. 🔍 19% Praeco verbi salutarisPraeco verbi salutaris
  44. 🔍 19% Alleluia faciem tuamAlleluia faciem tuam
  45. 🔍 19% Praeco verbi salutarisPraeco verbi salutaris
  46. 🔍 19% Venite auditeVenite audite
  47. 🔍 19% Si diligitis meSi diligitis me
  48. 🔍 19% AlleluiaAlleluia
  49. 🔍 19% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  50. 🔍 19% AlleluiaAlleluia
  51. 🔍 19% Quaerite DominumQuaerite Dominum
  52. 🔍 19% Viri GalilaeiViri Galilaei
  53. 🔍 19% Sion noli timereSion noli timere
  54. 🔍 18% Si diligitis meSi diligitis me
  55. 🔍 18% Ego sum ostiumEgo sum ostium
  56. 🔍 18% Sub umbra illiusSub umbra illius
  57. 🔍 18% Gustate et videteGustate et videte
  58. 🔍 18% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  59. 🔍 18% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  60. 🔍 18% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  61. 🔍 18% Alleluia (mode 8)Alleluia (mode 8)
  62. 🔍 18% Alleluia Lapis revolutusAlleluia Lapis revolutus
  63. 🔍 18% Exsurgat DeusExsurgat Deus
  64. 🔍 18% Joseph vir ejusJoseph vir ejus
  65. 🔍 18% A summo coelo egressio ejusA summo coelo egressio ejus