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% Magnus praecoMagnus praeco
  2. 🔍 60% Magnus praecoMagnus praeco
  3. 🔍 38% Celsi meritiCelsi meriti
  4. 🔍 34% Exaltavit DominusExaltavit Dominus
  5. 🔍 30% O lux beata CaelitumO lux beata Caelitum
  6. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  7. 🔍 28% Quasi tubaQuasi tuba
  8. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  9. 🔍 27% Cum sublevassetCum sublevasset
  10. 🔍 27% Filiae JerusalemFiliae Jerusalem
  11. 🔍 27% O gente felix hospitaO gente felix hospita
  12. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 27% Beati estisBeati estis
  14. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 27% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  16. 🔍 26% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  17. 🔍 26% Beatus NicolausBeatus Nicolaus
  18. 🔍 26% Hymnus Te DeumHymnus Te Deum
  19. 🔍 26% Domine magnusDomine magnus
  20. 🔍 26% Lucis creatorLucis creator
  21. 🔍 25% Lucis Creator optimeLucis Creator optime
  22. 🔍 25% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  23. 🔍 25% Lux o decora patriaeLux o decora patriae
  24. 🔍 25% Martinae celebriMartinae celebri
  25. 🔍 25% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  26. 🔍 25% Qui lacrimatusQui lacrimatus
  27. 🔍 25% Martinae celebri plauditeMartinae celebri plaudite
  28. 🔍 25% Lucis creatorLucis creator
  29. 🔍 25% Magnus DominusMagnus Dominus
  30. 🔍 25% Elegit eam DeusElegit eam Deus
  31. 🔍 24% Elegit MariamElegit Mariam
  32. 🔍 24% Custodes hominumCustodes hominum
  33. 🔍 24% Non fraus magnanimumNon fraus magnanimum
  34. 🔍 24% Albertus Dei praecoAlbertus Dei praeco
  35. 🔍 24% Aeterne sol qui lumineAeterne sol qui lumine
  36. 🔍 24% Omnes populiOmnes populi
  37. 🔍 24% Non illam cruciansNon illam crucians
  38. 🔍 24% O Redemptor O Redemptor
  39. 🔍 23% Tu natale solum protegeTu natale solum protege
  40. 🔍 23% Lauda animaLauda anima
  41. 🔍 23% Sacerdos magnusSacerdos magnus
  42. 🔍 23% Ut Antonini gloriamUt Antonini gloriam
  43. 🔍 23% Mente jucundaMente jucunda
  44. 🔍 23% Magnus PaterMagnus Pater
  45. 🔍 23% Te lucis ante terminum (Dupl.)Te lucis ante terminum (Dupl.)
  46. 🔍 23% O RedemptorO Redemptor
  47. 🔍 23% O beata CaeciliaO beata Caecilia
  48. 🔍 22% Beatus MartinusBeatus Martinus
  49. 🔍 22% Tu natale solumTu natale solum
  50. 🔍 22% Ecce ReginaEcce Regina
  51. 🔍 22% Summae Deus clementiae septemSummae Deus clementiae septem
  52. 🔍 22% Fecit DeusFecit Deus
  53. 🔍 22% Auctor salutis uniceAuctor salutis unice
  54. 🔍 22% Cum autem complacuitCum autem complacuit
  55. 🔍 22% Ne timeasNe timeas
  56. 🔍 22% Iesu quadragenariaeIesu quadragenariae
  57. 🔍 22% Super omniaSuper omnia
  58. 🔍 22% PraedicatorumPraedicatorum
  59. 🔍 22% Cum invocarem teCum invocarem te
  60. 🔍 22% O Christi sponsaO Christi sponsa
  61. 🔍 22% Gaude Mater PoloniaGaude Mater Polonia
  62. 🔍 22% PlacuitPlacuit
  63. 🔍 21% Christe caelorum DomineChriste caelorum Domine
  64. 🔍 21% Gaudent in caelisGaudent in caelis
  65. 🔍 21% Dixerunt discipuliDixerunt discipuli