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% Haec est diesHaec est dies
  2. 🔍 75% Haec est dies qua candidaeHaec est dies qua candidae
  3. 🔍 72% Haec est dies qua candidaeHaec est dies qua candidae
  4. 🔍 55% Regis superni nuntiaRegis superni nuntia
  5. 🔍 50% Jesu corona VirginumJesu corona Virginum
  6. 🔍 46% Haec est diesHaec est dies
  7. 🔍 42% Terrena cessent organaTerrena cessent organa
  8. 🔍 39% Gertrudis arca NuminisGertrudis arca Numinis
  9. 🔍 39% Nunc ad coronas pergiteNunc ad coronas pergite
  10. 🔍 39% Gaudentes festumGaudentes festum
  11. 🔍 38% Caelestis AgniCaelestis Agni
  12. 🔍 38% Jesu corona virginumJesu corona virginum
  13. 🔍 38% Nunc coronas pergiteNunc coronas pergite
  14. 🔍 37% Jam noctis umbrae conciduntJam noctis umbrae concidunt
  15. 🔍 37% Iesu corona virginumIesu corona virginum
  16. 🔍 37% Caelestis Agni nuptiasCaelestis Agni nuptias
  17. 🔍 36% Salve virilis pectorisSalve virilis pectoris
  18. 🔍 35% Conditor alme siderumConditor alme siderum
  19. 🔍 34% Nomen decusque concinantNomen decusque concinant
  20. 🔍 33% Caelestis Agni nuptiasCaelestis Agni nuptias
  21. 🔍 33% Te gratulantesTe gratulantes
  22. 🔍 33% Caeli civesCaeli cives
  23. 🔍 33% Telluris omnes incolaeTelluris omnes incolae
  24. 🔍 32% Telluris omnes incolaeTelluris omnes incolae
  25. 🔍 32% Aurora caelumAurora caelum
  26. 🔍 32% Beata caeli regiaBeata caeli regia
  27. 🔍 32% Te Mater almaTe Mater alma
  28. 🔍 31% Hymnus Te DeumHymnus Te Deum
  29. 🔍 31% Terrena cessentTerrena cessent
  30. 🔍 30% Aeterni Patris UniceAeterni Patris Unice
  31. 🔍 29% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  32. 🔍 29% Dulci depromatDulci depromat
  33. 🔍 29% Pater superni luminisPater superni luminis
  34. 🔍 29% Regis superni nuntiaRegis superni nuntia
  35. 🔍 29% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  36. 🔍 29% Regis superni nuntiaRegis superni nuntia
  37. 🔍 29% Deo canamusDeo canamus
  38. 🔍 29% Te Matrem laudamusTe Matrem laudamus
  39. 🔍 28% Regis superni nuntiaRegis superni nuntia
  40. 🔍 28% Maria virgo regiaMaria virgo regia
  41. 🔍 28% Adoremus in aeternum IIAdoremus in aeternum II
  42. 🔍 28% Te DeumTe Deum
  43. 🔍 28% Te DeumTe Deum
  44. 🔍 28% Te DeumTe Deum
  45. 🔍 28% Haec est hereditasHaec est hereditas
  46. 🔍 28% Regis superni nuntiaRegis superni nuntia
  47. 🔍 27% Hac MargaritaHac Margarita
  48. 🔍 27% Bernarde gemma caelitum Bernarde gemma caelitum
  49. 🔍 27% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  50. 🔍 26% Maria castis osculisMaria castis osculis
  51. 🔍 26% Commune vos apostoliCommune vos apostoli
  52. 🔍 26% Te Mater almaTe Mater alma
  53. 🔍 26% Captator olim pisciumCaptator olim piscium
  54. 🔍 25% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  55. 🔍 25% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  56. 🔍 25% Te DeumTe Deum
  57. 🔍 25% Plausibus LucaPlausibus Luca
  58. 🔍 25% Aptata virgoAptata virgo
  59. 🔍 25% Jam morte victorJam morte victor
  60. 🔍 25% Adoremus in aeternumAdoremus in aeternum
  61. 🔍 25% Iste quem laeti colimusIste quem laeti colimus
  62. 🔍 25% Quae caritatisQuae caritatis
  63. 🔍 25% Pater superni luminisPater superni luminis
  64. 🔍 25% O prima Virgo proditaO prima Virgo prodita
  65. 🔍 25% Pater superni luminisPater superni luminis