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% Illumina Domine sedentesIllumina Domine sedentes
  2. 🔍 61% Illumina Domine (II)Illumina Domine (II)
  3. 🔍 49% Illumina Domine sedentesIllumina Domine sedentes
  4. 🔍 46% Illumina Domine sedentesIllumina Domine sedentes
  5. 🔍 36% Illumina nos DomineIllumina nos Domine
  6. 🔍 36% Illuminare Domine his quiIlluminare Domine his qui
  7. 🔍 33% Ecce CrucemEcce Crucem
  8. 🔍 32% Illumina nosIllumina nos
  9. 🔍 32% Illumina Domine vultumIllumina Domine vultum
  10. 🔍 31% Deposuit DominusDeposuit Dominus
  11. 🔍 30% Illuminare DomineIlluminare Domine
  12. 🔍 30% O OriensO Oriens
  13. 🔍 29% O Oriens splendorO Oriens splendor
  14. 🔍 27% Illuminare DomineIlluminare Domine
  15. 🔍 27% Satiavit DominusSatiavit Dominus
  16. 🔍 27% Illumina Domine (I)Illumina Domine (I)
  17. 🔍 26% O Oriens splendor lucisO Oriens splendor lucis
  18. 🔍 26% Ecce levavitEcce levavit
  19. 🔍 25% Magnus Dominus... et magnitudinisMagnus Dominus... et magnitudinis
  20. 🔍 25% Domine in caeloDomine in caelo
  21. 🔍 25% Qui sequitur meQui sequitur me
  22. 🔍 24% Caecus magisCaecus magis
  23. 🔍 24% O OriensO Oriens
  24. 🔍 24% Qui sequitur meQui sequitur me
  25. 🔍 24% Simile DominusSimile Dominus
  26. 🔍 24% Benedicam te in vitaBenedicam te in vita
  27. 🔍 23% Ad te Domine levaviAd te Domine levavi
  28. 🔍 23% Salva nos DomineSalva nos Domine
  29. 🔍 23% Confitebor tibi DomineConfitebor tibi Domine
  30. 🔍 23% Dixit Dominus ad AdamDixit Dominus ad Adam
  31. 🔍 23% Domine refugiumDomine refugium
  32. 🔍 22% Exortum est (Christmas)Exortum est (Christmas)
  33. 🔍 22% O OriensO Oriens
  34. 🔍 22% Miserere mihiMiserere mihi
  35. 🔍 22% Confitemini Domino quia (Antiphona)Confitemini Domino quia (Antiphona)
  36. 🔍 22% Benigne fac DomineBenigne fac Domine
  37. 🔍 22% Ne timeas Maria ... allel.Ne timeas Maria ... allel.
  38. 🔍 22% Maria et fluminaMaria et flumina
  39. 🔍 22% O Clavis DavidO Clavis David
  40. 🔍 21% Confitemini Domino quoniam (Antiphona)Confitemini Domino quoniam (Antiphona)
  41. 🔍 21% Exortum est in tenebrisExortum est in tenebris
  42. 🔍 21% Deus misereaturDeus misereatur
  43. 🔍 21% Clamavi et DominusClamavi et Dominus
  44. 🔍 21% Mulieres sedentesMulieres sedentes
  45. 🔍 21% Laudate nomen DominiLaudate nomen Domini
  46. 🔍 21% Mulieres sedentesMulieres sedentes
  47. 🔍 21% Sanctus MauriciusSanctus Mauricius
  48. 🔍 21% Antequam convenirentAntequam convenirent
  49. 🔍 21% O clavis DavidO clavis David
  50. 🔍 21% O OriensO Oriens
  51. 🔍 21% O OriensO Oriens
  52. 🔍 21% O OriensO Oriens
  53. 🔍 21% Undecim discipuliUndecim discipuli
  54. 🔍 21% Ne timeas MariaNe timeas Maria
  55. 🔍 21% Cantate Domino et benediciteCantate Domino et benedicite
  56. 🔍 21% In tribulatione invocaviIn tribulatione invocavi
  57. 🔍 21% In sanctitate serviamusIn sanctitate serviamus
  58. 🔍 21% Misericordia tua DomineMisericordia tua Domine
  59. 🔍 21% Qui sequitur meQui sequitur me
  60. 🔍 21% Beata es MariaBeata es Maria
  61. 🔍 21% Post triduumPost triduum
  62. 🔍 21% Post triduumPost triduum
  63. 🔍 21% Ne derelinquas meNe derelinquas me
  64. 🔍 20% Exortum est in tenebrisExortum est in tenebris
  65. 🔍 20% Exaudi DomineExaudi Domine