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% Dabo in SionDabo in Sion
  2. 🔍 81% Dabo in SionDabo in Sion
  3. 🔍 67% Dabo in SionDabo in Sion
  4. 🔍 64% Dabo in SionDabo in Sion
  5. 🔍 63% Dabo in SionDabo in Sion
  6. 🔍 60% Ponam in SionPonam in Sion
  7. 🔍 51% Dabo in SionDabo in Sion
  8. 🔍 51% Dabo in SionDabo in Sion
  9. 🔍 49% Jerusalem gaudeJerusalem gaude
  10. 🔍 46% Dabo in SionDabo in Sion
  11. 🔍 43% Ponam in Sion salutemPonam in Sion salutem
  12. 🔍 43% Veniet Dominus et nonVeniet Dominus et non
  13. 🔍 40% Judaea et JerusalemJudaea et Jerusalem
  14. 🔍 39% Gloria in excelsisGloria in excelsis
  15. 🔍 38% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  16. 🔍 37% Jucundare filiaJucundare filia
  17. 🔍 37% Jucundare filiaJucundare filia
  18. 🔍 37% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  19. 🔍 36% Nos autem gloriari (Ant)Nos autem gloriari (Ant)
  20. 🔍 35% Spiritus quiSpiritus qui
  21. 🔍 35% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  22. 🔍 35% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  23. 🔍 35% Ego dixi DomineEgo dixi Domine
  24. 🔍 34% Spiritus Domini replevitSpiritus Domini replevit
  25. 🔍 34% Nigra sum sed formosaNigra sum sed formosa
  26. 🔍 34% De Sion exibitDe Sion exibit
  27. 🔍 34% Ista est speciosa (S. Mulierum)Ista est speciosa (S. Mulierum)
  28. 🔍 34% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  29. 🔍 34% Corde et animoCorde et animo
  30. 🔍 34% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  31. 🔍 34% Ego autem in DominoEgo autem in Domino
  32. 🔍 33% Accessistis ad SionAccessistis ad Sion
  33. 🔍 33% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  34. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  35. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  36. 🔍 33% Ex quo facta estEx quo facta est
  37. 🔍 33% Accessistis ad SionAccessistis ad Sion
  38. 🔍 33% Lux de luceLux de luce
  39. 🔍 33% Pauperes SionPauperes Sion
  40. 🔍 33% Memoriam fecitMemoriam fecit
  41. 🔍 33% Sancti et justiSancti et justi
  42. 🔍 33% Elegit eumElegit eum
  43. 🔍 33% In illa dieIn illa die
  44. 🔍 33% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  45. 🔍 33% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  46. 🔍 33% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  47. 🔍 33% Ecce veniet ProphetaEcce veniet Propheta
  48. 🔍 33% Dixit Dominus DominoDixit Dominus Domino
  49. 🔍 33% Exaltabo teExaltabo te
  50. 🔍 33% Confirma hoc Deus... alleluiaConfirma hoc Deus... alleluia
  51. 🔍 32% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  52. 🔍 32% Manum suamManum suam
  53. 🔍 32% Tu gloria JerusalemTu gloria Jerusalem
  54. 🔍 32% Sancti tui DomineSancti tui Domine
  55. 🔍 32% Ecce sacerdos magnusEcce sacerdos magnus
  56. 🔍 32% Omnes de SabaOmnes de Saba
  57. 🔍 31% In aeternumIn aeternum
  58. 🔍 31% Domine si tu visDomine si tu vis
  59. 🔍 31% In hoc cognoviIn hoc cognovi
  60. 🔍 31% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  61. 🔍 31% Lauda JerusalemLauda Jerusalem
  62. 🔍 31% Domine salva nosDomine salva nos
  63. 🔍 31% Amavit eum DominusAmavit eum Dominus
  64. 🔍 31% Hodie nomen tuumHodie nomen tuum
  65. 🔍 31% Sion noli timereSion noli timere