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% O nimis felix meritiqueO nimis felix meritique
  2. 🔍 93% O nimis felixO nimis felix
  3. 🔍 73% O nimis felixO nimis felix
  4. 🔍 56% O nimis felixO nimis felix
  5. 🔍 51% O nimis felix meritique (Alter tonus)O nimis felix meritique (Alter tonus)
  6. 🔍 51% O nimis felixO nimis felix
  7. 🔍 49% Ut queant laxisUt queant laxis
  8. 🔍 48% Ut queant laxis resonareUt queant laxis resonare
  9. 🔍 47% O nimis felixO nimis felix
  10. 🔍 46% Ut queant laxisUt queant laxis
  11. 🔍 46% Surge jam terrisSurge jam terris
  12. 🔍 45% Antra deserti tenerisAntra deserti teneris
  13. 🔍 43% Ut queant laxisUt queant laxis
  14. 🔍 39% Antra desertiAntra deserti
  15. 🔍 37% Ut queant laxisUt queant laxis
  16. 🔍 33% Audi benigne ConditorAudi benigne Conditor
  17. 🔍 33% Audi benigne ConditorAudi benigne Conditor
  18. 🔍 32% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  19. 🔍 32% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  20. 🔍 32% Audi benigne ConditorAudi benigne Conditor
  21. 🔍 32% Hymnus Te DeumHymnus Te Deum
  22. 🔍 32% Auctor salutisAuctor salutis
  23. 🔍 31% Lucis creatorLucis creator
  24. 🔍 31% Te Matrem laudamusTe Matrem laudamus
  25. 🔍 31% Lucis Creator optimeLucis Creator optime
  26. 🔍 31% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  27. 🔍 31% Audi benigne Conditor Audi benigne Conditor
  28. 🔍 31% Petre sol terrisPetre sol terris
  29. 🔍 31% Sanctorum meritisSanctorum meritis
  30. 🔍 30% Jam toto subitusJam toto subitus
  31. 🔍 30% Audi Benigne ConditorAudi Benigne Conditor
  32. 🔍 30% Lucis creatorLucis creator
  33. 🔍 30% Me exspectaveruntMe exspectaverunt
  34. 🔍 30% Audi benigneAudi benigne
  35. 🔍 30% O beata MaterO beata Mater
  36. 🔍 30% Lux o decora patriaeLux o decora patriae
  37. 🔍 30% Audi benigne conditorAudi benigne conditor
  38. 🔍 30% Auctor salutis uniceAuctor salutis unice
  39. 🔍 30% Jam toto subitusJam toto subitus
  40. 🔍 30% Mente jucundaMente jucunda
  41. 🔍 29% Jam toto subitusJam toto subitus
  42. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  43. 🔍 29% Iam lucis orto sidere Iam lucis orto sidere
  44. 🔍 29% Caeli civesCaeli cives
  45. 🔍 28% Grande RaymundiGrande Raymundi
  46. 🔍 28% Jam toto subitusJam toto subitus
  47. 🔍 28% Miserere (Ps 50)Miserere (Ps 50)
  48. 🔍 28% Dum tuos omnes!Dum tuos omnes!
  49. 🔍 28% Qui lacrimatusQui lacrimatus
  50. 🔍 28% Nullis te genitorNullis te genitor
  51. 🔍 28% Ave Regis AngelorumAve Regis Angelorum
  52. 🔍 28% Omnis expertem maculaeOmnis expertem maculae
  53. 🔍 28% Te DeumTe Deum
  54. 🔍 28% Te DeumTe Deum
  55. 🔍 28% Te dicimus praeconio materTe dicimus praeconio mater
  56. 🔍 28% Omnis expertemOmnis expertem
  57. 🔍 28% Caelestis AgniCaelestis Agni
  58. 🔍 28% Sic Patres vitamSic Patres vitam
  59. 🔍 28% Spiritus Domini... praedicareSpiritus Domini... praedicare
  60. 🔍 28% Ex quo religioEx quo religio
  61. 🔍 28% Inclytos ChristiInclytos Christi
  62. 🔍 27% Caelestis Agni nuptiasCaelestis Agni nuptias
  63. 🔍 27% Pater superni luminisPater superni luminis
  64. 🔍 27% Redime meRedime me
  65. 🔍 27% Omnis expertemOmnis expertem