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% Dixerunt mundi rectoresDixerunt mundi rectores
  2. 🔍 28% Gregorius in vita suaGregorius in vita sua
  3. 🔍 26% Beatus Photinus nonagenarioBeatus Photinus nonagenario
  4. 🔍 26% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  5. 🔍 25% Beata Dei Genitrix (Presentation)Beata Dei Genitrix (Presentation)
  6. 🔍 25% Surrexit GregoriusSurrexit Gregorius
  7. 🔍 24% Ex omni florum genereEx omni florum genere
  8. 🔍 24% O Doctor optime (nomina doctorum)O Doctor optime (nomina doctorum)
  9. 🔍 24% Stetit Angelus (Resp Br)Stetit Angelus (Resp Br)
  10. 🔍 24% Dixit autem Dominus servoDixit autem Dominus servo
  11. 🔍 23% Dilexi justitiamDilexi justitiam
  12. 🔍 23% Dirupisti DomineDirupisti Domine
  13. 🔍 23% Laetamini in DominoLaetamini in Domino
  14. 🔍 23% Laetare Virgo MaterLaetare Virgo Mater
  15. 🔍 22% Maiolus caritate redundansMaiolus caritate redundans
  16. 🔍 22% Modo ego patiorModo ego patior
  17. 🔍 22% Beata Dei Genitrix (O.B.V.M. in Sabb.)Beata Dei Genitrix (O.B.V.M. in Sabb.)
  18. 🔍 22% Haec est JoannaHaec est Joanna
  19. 🔍 22% Fuit virFuit vir
  20. 🔍 22% Paulus et Joannes dixerunt ad TerentPaulus et Joannes dixerunt ad Terent
  21. 🔍 22% Dixit autem dominus servoDixit autem dominus servo
  22. 🔍 21% Petri gradumPetri gradum
  23. 🔍 21% Praesul invictissimusPraesul invictissimus
  24. 🔍 21% Dixerunt discipuliDixerunt discipuli
  25. 🔍 21% O dignissima Christi sponsaO dignissima Christi sponsa
  26. 🔍 21% Qui te posthabitisQui te posthabitis
  27. 🔍 21% Beatam me dicentBeatam me dicent
  28. 🔍 21% Sapientiam Sanctorum (t.4) (T.P.)Sapientiam Sanctorum (t.4) (T.P.)
  29. 🔍 20% Sancti et justiSancti et justi
  30. 🔍 20% Gregorius septiformi gratiaGregorius septiformi gratia
  31. 🔍 20% Omnes sunt administratoriiOmnes sunt administratorii
  32. 🔍 20% Hodie nomen tuumHodie nomen tuum
  33. 🔍 20% Custodes hominumCustodes hominum
  34. 🔍 20% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  35. 🔍 20% JoannaJoanna
  36. 🔍 20% Ecce fidelis servusEcce fidelis servus
  37. 🔍 20% Respondens autem AngelusRespondens autem Angelus
  38. 🔍 20% Respondens autem AngelusRespondens autem Angelus
  39. 🔍 20% Tu gloria JerusalemTu gloria Jerusalem
  40. 🔍 20% Stetit succinta lumbos suosStetit succinta lumbos suos
  41. 🔍 20% Ne timeas MariaNe timeas Maria
  42. 🔍 20% Sancti estisSancti estis
  43. 🔍 20% Omnis spiritusOmnis spiritus
  44. 🔍 20% Pastor vigilantissimusPastor vigilantissimus
  45. 🔍 20% Pater manifestaviPater manifestavi
  46. 🔍 20% Ingresso ZachariaIngresso Zacharia
  47. 🔍 20% Custodes hominum psallimusCustodes hominum psallimus
  48. 🔍 19% O Doctor Optime (nomina doctorum)O Doctor Optime (nomina doctorum)
  49. 🔍 19% Respondens autem AngelusRespondens autem Angelus
  50. 🔍 19% Beata es MariaBeata es Maria
  51. 🔍 19% Parvulus filiusParvulus filius
  52. 🔍 19% Cum audisset JobCum audisset Job
  53. 🔍 19% Beata Dei GenitrixBeata Dei Genitrix
  54. 🔍 19% Vivo autem ego jam non egoVivo autem ego jam non ego
  55. 🔍 19% Malos male perdetMalos male perdet
  56. 🔍 19% Vidimus stellam ejusVidimus stellam ejus
  57. 🔍 19% Exaltata est Virgo MariaExaltata est Virgo Maria
  58. 🔍 19% Quid faciam quia dominusQuid faciam quia dominus
  59. 🔍 19% Beata Dei Genitrix (Praesent.)Beata Dei Genitrix (Praesent.)
  60. 🔍 19% Beata es MariaBeata es Maria
  61. 🔍 19% Cum autem descendissetCum autem descendisset
  62. 🔍 19% Beata RadegundisBeata Radegundis
  63. 🔍 19% Dixerunt discipuliDixerunt discipuli
  64. 🔍 19% Egredimini et videte filiae Sion (Ant.)Egredimini et videte filiae Sion (Ant.)
  65. 🔍 19% Venite exsultemus EVenite exsultemus E