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% Ut queant laxisUt queant laxis
  2. 🔍 62% Ut queant laxisUt queant laxis
  3. 🔍 62% Ut queant laxis resonareUt queant laxis resonare
  4. 🔍 59% Ut queant laxisUt queant laxis
  5. 🔍 58% Ut queant laxisUt queant laxis
  6. 🔍 58% O nimis felixO nimis felix
  7. 🔍 55% Mente jucundaMente jucunda
  8. 🔍 52% Grande RaymundiGrande Raymundi
  9. 🔍 41% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  10. 🔍 39% O vos aethereiO vos aetherei
  11. 🔍 38% Terrena cessent organaTerrena cessent organa
  12. 🔍 38% Gloria XIGloria XI
  13. 🔍 37% Caeli civesCaeli cives
  14. 🔍 37% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  15. 🔍 37% Te DeumTe Deum
  16. 🔍 37% Te DeumTe Deum
  17. 🔍 37% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  18. 🔍 37% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  19. 🔍 37% O nimis felix meritiqueO nimis felix meritique
  20. 🔍 37% Beata nobisBeata nobis
  21. 🔍 36% Hymnus Te DeumHymnus Te Deum
  22. 🔍 36% Te Deum (Solemn tone)Te Deum (Solemn tone)
  23. 🔍 36% Gaude Mater PoloniaGaude Mater Polonia
  24. 🔍 36% Gloria IGloria I
  25. 🔍 36% Martinae celebriMartinae celebri
  26. 🔍 36% Impleta gaudentImpleta gaudent
  27. 🔍 36% Martinae celebri plauditeMartinae celebri plaudite
  28. 🔍 36% Te DeumTe Deum
  29. 🔍 35% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  30. 🔍 35% O nimis felixO nimis felix
  31. 🔍 35% Ad quas orba viroAd quas orba viro
  32. 🔍 35% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  33. 🔍 35% Lucis creatorLucis creator
  34. 🔍 35% Custodes hominumCustodes hominum
  35. 🔍 35% Tu natale solum protegeTu natale solum protege
  36. 🔍 35% Sic Patres vitamSic Patres vitam
  37. 🔍 35% Lucis Creator optimeLucis Creator optime
  38. 🔍 35% Rex magneRex magne
  39. 🔍 35% Stephani victoria!Stephani victoria!
  40. 🔍 35% Non illam cruciansNon illam crucians
  41. 🔍 35% Iste Confessor (Impr. Stigmatum)Iste Confessor (Impr. Stigmatum)
  42. 🔍 34% Sponso sponsa!Sponso sponsa!
  43. 🔍 34% Bella dum lateBella dum late
  44. 🔍 34% Te Matrem laudamusTe Matrem laudamus
  45. 🔍 34% Salve FranciadumSalve Franciadum
  46. 🔍 34% Te DeumTe Deum
  47. 🔍 34% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  48. 🔍 34% Non fraus magnanimumNon fraus magnanimum
  49. 🔍 34% Deo canamusDeo canamus
  50. 🔍 34% Te gratulantesTe gratulantes
  51. 🔍 34% Tu natale solumTu natale solum
  52. 🔍 34% Lucis creatorLucis creator
  53. 🔍 34% Gertrudis arca NuminisGertrudis arca Numinis
  54. 🔍 34% Superne regum RexSuperne regum Rex
  55. 🔍 34% Auctor salutis uniceAuctor salutis unice
  56. 🔍 34% Iste Confessor (Conf. not Bishop)Iste Confessor (Conf. not Bishop)
  57. 🔍 33% Dum tuos omnes!Dum tuos omnes!
  58. 🔍 33% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  59. 🔍 33% Aeterni Patris UniceAeterni Patris Unice
  60. 🔍 33% Pater superni luminisPater superni luminis
  61. 🔍 33% Sanctorum meritisSanctorum meritis
  62. 🔍 33% Iste Confessor (Conf. not Bishop) 5Iste Confessor (Conf. not Bishop) 5
  63. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  64. 🔍 33% Plausibus LucaPlausibus Luca
  65. 🔍 33% Ave Maria... virgo serenaAve Maria... virgo serena