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% Erat quidam regulusErat quidam regulus
  2. 🔍 83% Erat quidam regulusErat quidam regulus
  3. 🔍 66% Erat quidam regulusErat quidam regulus
  4. 🔍 63% Erat quidam regulusErat quidam regulus
  5. 🔍 55% Erat quidam regulusErat quidam regulus
  6. 🔍 36% Tibi Domine psallamTibi Domine psallam
  7. 🔍 28% Quae est ista quae ascenditQuae est ista quae ascendit
  8. 🔍 26% Ibat JesusIbat Jesus
  9. 🔍 24% Ibat Jesus in civitatemIbat Jesus in civitatem
  10. 🔍 24% Joannes autemJoannes autem
  11. 🔍 24% Joannes autem cum audissetJoannes autem cum audisset
  12. 🔍 22% Dum intraretDum intraret
  13. 🔍 22% Ibat Jesus in civitatemIbat Jesus in civitatem
  14. 🔍 22% Conventione autemConventione autem
  15. 🔍 21% Dum intraret Jesus quoddamDum intraret Jesus quoddam
  16. 🔍 21% Abiit JesusAbiit Jesus
  17. 🔍 21% At Jesus conversusAt Jesus conversus
  18. 🔍 21% Inclinavit se JesusInclinavit se Jesus
  19. 🔍 21% Conventione autemConventione autem
  20. 🔍 21% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  21. 🔍 21% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  22. 🔍 21% Stans autem JesusStans autem Jesus
  23. 🔍 21% Stans autem JesusStans autem Jesus
  24. 🔍 21% Sol et lunaSol et luna
  25. 🔍 21% Inclinavit se JesusInclinavit se Jesus
  26. 🔍 21% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  27. 🔍 20% Unus autem ex illisUnus autem ex illis
  28. 🔍 20% Cognovit autemCognovit autem
  29. 🔍 20% Amen dico vobis quia non praeteribitAmen dico vobis quia non praeteribit
  30. 🔍 20% Ascendens JesusAscendens Jesus
  31. 🔍 20% Cum transiretCum transiret
  32. 🔍 20% Amen dico vobis quia nonAmen dico vobis quia non
  33. 🔍 20% Cum immundus spiritusCum immundus spiritus
  34. 🔍 20% Mulier quae erat ... stansMulier quae erat ... stans
  35. 🔍 20% Factum est autemFactum est autem
  36. 🔍 20% Cognovit autem paterCognovit autem pater
  37. 🔍 20% Principes... consiliumPrincipes... consilium
  38. 🔍 20% Ne timeas MariaNe timeas Maria
  39. 🔍 20% In ferventis oleiIn ferventis olei
  40. 🔍 20% Ascendens Jesus in navimAscendens Jesus in navim
  41. 🔍 20% Principes sacerdotumPrincipes sacerdotum
  42. 🔍 19% Ave mundi spes MariaAve mundi spes Maria
  43. 🔍 19% Gabriel Angelus ... EcceGabriel Angelus ... Ecce
  44. 🔍 19% Stans a longe publicanusStans a longe publicanus
  45. 🔍 19% At Jesus conversusAt Jesus conversus
  46. 🔍 19% Dabit illi DominusDabit illi Dominus
  47. 🔍 19% Dabit illi DominusDabit illi Dominus
  48. 🔍 19% Amavit eum DominusAmavit eum Dominus
  49. 🔍 19% Illi ergo hominesIlli ergo homines
  50. 🔍 19% Illi ergo hominesIlli ergo homines
  51. 🔍 19% Unus autem ex illisUnus autem ex illis
  52. 🔍 19% Dum tolleret DominusDum tolleret Dominus
  53. 🔍 19% Ibat JesusIbat Jesus
  54. 🔍 19% Amavit eum DominusAmavit eum Dominus
  55. 🔍 19% Missus est Angelus ... in civitatemMissus est Angelus ... in civitatem
  56. 🔍 19% Dedit seDedit se
  57. 🔍 19% Ecce Maria eratEcce Maria erat
  58. 🔍 19% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  59. 🔍 19% Ecce Maria erat...alleluiaEcce Maria erat...alleluia
  60. 🔍 19% Et ipse Jesus eratEt ipse Jesus erat
  61. 🔍 19% Cum pervenisset beatusCum pervenisset beatus
  62. 🔍 19% Cum autem complacuitCum autem complacuit
  63. 🔍 19% Stans autemStans autem
  64. 🔍 19% Stans a longeStans a longe
  65. 🔍 19% Cum pervenisset beatus AndreasCum pervenisset beatus Andreas