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% Nonne sic oportuitNonne sic oportuit
  2. 🔍 69% Nonne sic oportuitNonne sic oportuit
  3. 🔍 68% Nonne sic oportuitNonne sic oportuit
  4. 🔍 63% Nonne sic oportuitNonne sic oportuit
  5. 🔍 59% Nonne sic oportuitNonne sic oportuit
  6. 🔍 46% Nonne sicNonne sic
  7. 🔍 34% Misericordia DeiMisericordia Dei
  8. 🔍 34% Misericordia DeiMisericordia Dei
  9. 🔍 32% Illumina Domine sedentesIllumina Domine sedentes
  10. 🔍 32% A solis ortuA solis ortu
  11. 🔍 31% In Deo salutari meoIn Deo salutari meo
  12. 🔍 30% A progenieA progenie
  13. 🔍 29% Respexisti humilitatemRespexisti humilitatem
  14. 🔍 28% Redemisti nos DeoRedemisti nos Deo
  15. 🔍 28% Rerum Deus fonsRerum Deus fons
  16. 🔍 28% Visita Domine plebemVisita Domine plebem
  17. 🔍 28% Visita Domine plebemVisita Domine plebem
  18. 🔍 27% Christe, semper vivensChriste, semper vivens
  19. 🔍 27% Stans a longeStans a longe
  20. 🔍 27% Tonus IITonus II
  21. 🔍 25% Magnificamus teMagnificamus te
  22. 🔍 23% Ecce fidelis servusEcce fidelis servus
  23. 🔍 23% Ostende nobis DomineOstende nobis Domine
  24. 🔍 23% Sanctum est nomen tuumSanctum est nomen tuum
  25. 🔍 22% Tonus II*Tonus II*
  26. 🔍 22% Nonne cor nostrumNonne cor nostrum
  27. 🔍 21% Christus resurrexitChristus resurrexit
  28. 🔍 21% Deus Deus meus (62)Deus Deus meus (62)
  29. 🔍 21% Serve nequamServe nequam
  30. 🔍 21% Nonne cor nostrumNonne cor nostrum
  31. 🔍 20% Sic et vosSic et vos
  32. 🔍 20% Salvum me fac (Psalmus 68)Salvum me fac (Psalmus 68)
  33. 🔍 20% Ego sum viaEgo sum via
  34. 🔍 20% Alleluia Omnes GentesAlleluia Omnes Gentes
  35. 🔍 20% Tonus II*Tonus II*
  36. 🔍 20% Gustate et videteGustate et videte
  37. 🔍 20% Serve nequamServe nequam
  38. 🔍 19% Nonne decemNonne decem
  39. 🔍 19% Tonus VITonus VI
  40. 🔍 19% Sic benedicamSic benedicam
  41. 🔍 19% Sic benedicam teSic benedicam te
  42. 🔍 19% Sancti tui DomineSancti tui Domine
  43. 🔍 19% Sancti tui DomineSancti tui Domine
  44. 🔍 19% Tonus IV*Tonus IV*
  45. 🔍 19% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  46. 🔍 19% Sic benedicam teSic benedicam te
  47. 🔍 19% Salus et gloriaSalus et gloria
  48. 🔍 19% Dixit mater eiusDixit mater eius
  49. 🔍 18% Aliis civitatibusAliis civitatibus
  50. 🔍 18% Ave Maria ... alleluiaAve Maria ... alleluia
  51. 🔍 18% Sic venietSic veniet
  52. 🔍 18% Alleluia (mode 8)Alleluia (mode 8)
  53. 🔍 18% Misericordia DominiMisericordia Domini
  54. 🔍 18% Sic benedicam teSic benedicam te
  55. 🔍 18% Tonus ETonus E
  56. 🔍 18% Omnes GentesOmnes Gentes
  57. 🔍 18% Ite in pace alleluiaIte in pace alleluia
  58. 🔍 18% Amplificatus est (T.P.)Amplificatus est (T.P.)
  59. 🔍 18% Non omnis qui dicitNon omnis qui dicit
  60. 🔍 18% Tonus CTonus C
  61. 🔍 18% Tonus PeregrinusTonus Peregrinus
  62. 🔍 18% Spiritus SanctusSpiritus Sanctus
  63. 🔍 18% Alleluia faciem tuamAlleluia faciem tuam
  64. 🔍 18% Sic Deus dilexit ... alleluiaSic Deus dilexit ... alleluia
  65. 🔍 18% BenedictusBenedictus