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% Sic Deus DilexitSic Deus Dilexit
  2. 🔍 82% Sic Deus dilexitSic Deus dilexit
  3. 🔍 70% Sic Deus dilexit mundumSic Deus dilexit mundum
  4. 🔍 68% Sic Deus dilexitSic Deus dilexit
  5. 🔍 56% Sic Deus dilexit ... alleluiaSic Deus dilexit ... alleluia
  6. 🔍 55% Sic Deus dilexitSic Deus dilexit
  7. 🔍 30% Sicut MoysesSicut Moyses
  8. 🔍 29% Sicut MoysesSicut Moyses
  9. 🔍 27% Non enim misit DeusNon enim misit Deus
  10. 🔍 27% Interrogabat MagosInterrogabat Magos
  11. 🔍 24% Non enim misit DeusNon enim misit Deus
  12. 🔍 23% Qui odit animam suamQui odit animam suam
  13. 🔍 23% Adoro te devoteAdoro te devote
  14. 🔍 23% Dum tolleret DominusDum tolleret Dominus
  15. 🔍 22% Regina caeli laetareRegina caeli laetare
  16. 🔍 22% Credo in DeumCredo in Deum
  17. 🔍 22% Omnis qui invocaveritOmnis qui invocaverit
  18. 🔍 22% Judaea et JerusalemJudaea et Jerusalem
  19. 🔍 22% Alleluia. (Sund. P. T. at Lauds)Alleluia. (Sund. P. T. at Lauds)
  20. 🔍 22% Gloriosus Confessor Domini Benedictus (modus 8g)Gloriosus Confessor Domini Benedictus (modus 8g)
  21. 🔍 22% Dum sacrum mysteriumDum sacrum mysterium
  22. 🔍 22% Nigra sumNigra sum
  23. 🔍 21% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  24. 🔍 21% Ego dixi DomineEgo dixi Domine
  25. 🔍 21% Attendite a falsisAttendite a falsis
  26. 🔍 21% Laetare caelum desuperLaetare caelum desuper
  27. 🔍 21% Credo VIICredo VII
  28. 🔍 21% Alleluia (Wednesday P. T. at Lauds)Alleluia (Wednesday P. T. at Lauds)
  29. 🔍 21% Virginis CatharinaeVirginis Catharinae
  30. 🔍 21% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  31. 🔍 21% Ego sum ostiumEgo sum ostium
  32. 🔍 20% Exacuerunt tamquamExacuerunt tamquam
  33. 🔍 20% Orietur sicut solOrietur sicut sol
  34. 🔍 20% Adoro te devoteAdoro te devote
  35. 🔍 20% Magnus Dominus nosterMagnus Dominus noster
  36. 🔍 20% Non enim misit 2 (Mode 7a)Non enim misit 2 (Mode 7a)
  37. 🔍 20% Qui odit animam suamQui odit animam suam
  38. 🔍 20% Attendite a falsisAttendite a falsis
  39. 🔍 20% Credo Apostolorum (altera melodia)Credo Apostolorum (altera melodia)
  40. 🔍 20% Nativitas tuaNativitas tua
  41. 🔍 20% Euntes in mundum universumEuntes in mundum universum
  42. 🔍 20% O res admirabilisO res admirabilis
  43. 🔍 20% Ego sum Raphael ... alleluiaEgo sum Raphael ... alleluia
  44. 🔍 20% Ante diem festum PaschaeAnte diem festum Paschae
  45. 🔍 20% Haec autemHaec autem
  46. 🔍 19% Orietur sicut solOrietur sicut sol
  47. 🔍 19% Pater Venit HoraPater Venit Hora
  48. 🔍 19% Nativitatem hodiernamNativitatem hodiernam
  49. 🔍 19% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  50. 🔍 19% Dabo in SionDabo in Sion
  51. 🔍 19% Super solium DavidSuper solium David
  52. 🔍 19% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  53. 🔍 19% Nativitatem hodiernamNativitatem hodiernam
  54. 🔍 19% Sancti tui DomineSancti tui Domine
  55. 🔍 19% Credo IICredo II
  56. 🔍 19% Nativitas tua Dei GenitrixNativitas tua Dei Genitrix
  57. 🔍 19% AccipiteAccipite
  58. 🔍 19% Amen amen dico vobis quia plorabitisAmen amen dico vobis quia plorabitis
  59. 🔍 19% Non enim misit 2 (Mode 1d2)Non enim misit 2 (Mode 1d2)
  60. 🔍 19% Hodie nomen tuumHodie nomen tuum
  61. 🔍 19% Haec locutus sum vobisHaec locutus sum vobis
  62. 🔍 19% Dilexit AndreamDilexit Andream
  63. 🔍 19% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  64. 🔍 19% Nonne decemNonne decem
  65. 🔍 19% Euntes in mundum universumEuntes in mundum universum