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% Refulsit sol in clypeosRefulsit sol in clypeos
  2. 🔍 88% Refulsit solRefulsit sol
  3. 🔍 75% Refulsit solRefulsit sol
  4. 🔍 41% Refulsit sol in clypeosRefulsit sol in clypeos
  5. 🔍 41% Refulsit sol in clypeosRefulsit sol in clypeos
  6. 🔍 29% Sol et lunaSol et luna
  7. 🔍 27% Disrumpam vincula populiDisrumpam vincula populi
  8. 🔍 26% Sol et lunaSol et luna
  9. 🔍 24% Religio mundaReligio munda
  10. 🔍 24% Orietur sicut solOrietur sicut sol
  11. 🔍 23% Laetare caelum desuperLaetare caelum desuper
  12. 🔍 23% Christus JesusChristus Jesus
  13. 🔍 22% Redemisti nos DomineRedemisti nos Domine
  14. 🔍 22% Sol et lunaSol et luna
  15. 🔍 22% Orietur sicut solOrietur sicut sol
  16. 🔍 22% Montes GelboeMontes Gelboe
  17. 🔍 22% Comedite pinguiaComedite pinguia
  18. 🔍 21% In medio EcclesiaeIn medio Ecclesiae
  19. 🔍 21% Montes GelboeMontes Gelboe
  20. 🔍 21% Domare cordis impetusDomare cordis impetus
  21. 🔍 20% Orietur sicut solOrietur sicut sol
  22. 🔍 20% O beata VirgoO beata Virgo
  23. 🔍 20% Post triduumPost triduum
  24. 🔍 20% Accinxit fortitudineAccinxit fortitudine
  25. 🔍 20% Exsultet orbis gaudiisExsultet orbis gaudiis
  26. 🔍 20% Non invenientesNon invenientes
  27. 🔍 20% Et audientes discipuliEt audientes discipuli
  28. 🔍 20% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  29. 🔍 20% Jesus junxit seJesus junxit se
  30. 🔍 20% Et audientes discipuliEt audientes discipuli
  31. 🔍 20% Aeterne Rex altissimeAeterne Rex altissime
  32. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  33. 🔍 19% Montes GelboeMontes Gelboe
  34. 🔍 19% Montes GelboeMontes Gelboe
  35. 🔍 19% O sol salutis intimisO sol salutis intimis
  36. 🔍 19% Hodie Dominus IesusHodie Dominus Iesus
  37. 🔍 19% Jam Christus astra ascenderatJam Christus astra ascenderat
  38. 🔍 19% Exsultet orbis gaudiisExsultet orbis gaudiis
  39. 🔍 19% Cum ortus fuerit solCum ortus fuerit sol
  40. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  41. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  42. 🔍 19% Deus tuorum militumDeus tuorum militum
  43. 🔍 19% Dum mediumDum medium
  44. 🔍 19% Homo quidam descendebatHomo quidam descendebat
  45. 🔍 19% Assumpsit Jesus PetrumAssumpsit Jesus Petrum
  46. 🔍 19% Jam sol receditJam sol recedit
  47. 🔍 19% Jam sol receditJam sol recedit
  48. 🔍 19% Judica meJudica me
  49. 🔍 19% Montes GelboeMontes Gelboe
  50. 🔍 19% Deus tuorum militumDeus tuorum militum
  51. 🔍 19% Assumpsit Jesus PetrumAssumpsit Jesus Petrum
  52. 🔍 19% Et audientes discipuliEt audientes discipuli
  53. 🔍 19% Angelus Domini astititAngelus Domini astitit
  54. 🔍 19% Exsurgens MariaExsurgens Maria
  55. 🔍 19% Verbum supernum prodiensVerbum supernum prodiens
  56. 🔍 19% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  57. 🔍 19% Fulgebunt justi sicut solFulgebunt justi sicut sol
  58. 🔍 19% Fulgebunt justi sicut solFulgebunt justi sicut sol
  59. 🔍 19% Paulus... TerentianumPaulus... Terentianum
  60. 🔍 19% Non invenientes JesumNon invenientes Jesum
  61. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  62. 🔍 18% Domare cordis impetusDomare cordis impetus
  63. 🔍 18% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  64. 🔍 18% Festivis resonent compitaFestivis resonent compita
  65. 🔍 18% Deus tuorum militumDeus tuorum militum