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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Angeli Archangeli...caelorumAngeli Archangeli...caelorum
  2. πŸ” 70% Angeli Archangeli...caelorumAngeli Archangeli...caelorum
  3. πŸ” 61% Angeli Archangeli...caelorumAngeli Archangeli...caelorum
  4. πŸ” 53% Angeli Archangeli (S. Michael.)Angeli Archangeli (S. Michael.)
  5. πŸ” 44% Angeli DominiAngeli Domini
  6. πŸ” 33% Angeli Archangeli (Com)Angeli Archangeli (Com)
  7. πŸ” 32% Angeli Archangeli (Com)Angeli Archangeli (Com)
  8. πŸ” 29% Omnes AngeliOmnes Angeli
  9. πŸ” 27% Te gloriosus (Ant)Te gloriosus (Ant)
  10. πŸ” 26% Angeli Archangeli..CherubimAngeli Archangeli..Cherubim
  11. πŸ” 26% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  12. πŸ” 25% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  13. πŸ” 25% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  14. πŸ” 25% Te DeumTe Deum
  15. πŸ” 25% Hymnus Te DeumHymnus Te Deum
  16. πŸ” 25% In civitateIn civitate
  17. πŸ” 24% Te DeumTe Deum
  18. πŸ” 24% Omnes Angeli ejusOmnes Angeli ejus
  19. πŸ” 24% Praefatio ferialis de MartyribusPraefatio ferialis de Martyribus
  20. πŸ” 24% Angeli, archΓ‘geliAngeli, archΓ‘geli
  21. πŸ” 24% Omnes angeli ejusOmnes angeli ejus
  22. πŸ” 24% Praefatio ferialis de QuadragesimaPraefatio ferialis de Quadragesima
  23. πŸ” 23% Benedictus esBenedictus es
  24. πŸ” 23% Praefatio ferialis de beata Maria VirginePraefatio ferialis de beata Maria Virgine
  25. πŸ” 23% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  26. πŸ” 23% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  27. πŸ” 23% Te DeumTe Deum
  28. πŸ” 23% Praefatio ferialis de Ascensione DominiPraefatio ferialis de Ascensione Domini
  29. πŸ” 23% Te DeumTe Deum
  30. πŸ” 23% Archangele MichaelArchangele Michael
  31. πŸ” 23% Salus et gloriaSalus et gloria
  32. πŸ” 23% Praefatio ferialis communisPraefatio ferialis communis
  33. πŸ” 23% Te Matrem laudamusTe Matrem laudamus
  34. πŸ” 23% Praefatio defunctorumPraefatio defunctorum
  35. πŸ” 23% Praefatio ferialis de Epiphania DominiPraefatio ferialis de Epiphania Domini
  36. πŸ” 23% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  37. πŸ” 22% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  38. πŸ” 22% Laudate Dominum de Coelis (148)Laudate Dominum de Coelis (148)
  39. πŸ” 22% Praefatio ferialis de sancta CrucePraefatio ferialis de sancta Cruce
  40. πŸ” 22% Jam lucis orto sidere (in Nativitate Domini)Jam lucis orto sidere (in Nativitate Domini)
  41. πŸ” 22% Angeli Archangeli (Omn. Sanct.)Angeli Archangeli (Omn. Sanct.)
  42. πŸ” 22% Caeli caelorumCaeli caelorum
  43. πŸ” 22% Et omnes AngeliEt omnes Angeli
  44. πŸ” 22% Jam lucis orto sidere (In Festo Corporis Christi)Jam lucis orto sidere (In Festo Corporis Christi)
  45. πŸ” 22% Laudate Deum omnes AngeliLaudate Deum omnes Angeli
  46. πŸ” 22% Angeli Domini DominumAngeli Domini Dominum
  47. πŸ” 22% Praefatio ferialis de sancto Ioanne BaptistaPraefatio ferialis de sancto Ioanne Baptista
  48. πŸ” 22% Praefatio ferialis paschalisPraefatio ferialis paschalis
  49. πŸ” 22% Angeli DominiAngeli Domini
  50. πŸ” 22% Rerum Deus (In Festo Corporis Christi)Rerum Deus (In Festo Corporis Christi)
  51. πŸ” 22% Praefatio ferialis de sancto Joanne BaptistaPraefatio ferialis de sancto Joanne Baptista
  52. πŸ” 22% Jam lucis orto sidere (Dominicis per Annum)Jam lucis orto sidere (Dominicis per Annum)
  53. πŸ” 22% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini
  54. πŸ” 22% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  55. πŸ” 21% Gloriose PaterGloriose Pater
  56. πŸ” 21% Praefatio ferialis de AdventuPraefatio ferialis de Adventu
  57. πŸ” 21% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  58. πŸ” 21% Praefatio ferialis de D. N. Iesu Christo RegePraefatio ferialis de D. N. Iesu Christo Rege
  59. πŸ” 21% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  60. πŸ” 21% Archangeli MichaelisArchangeli Michaelis
  61. πŸ” 21% Omnes Angeli eiusOmnes Angeli eius
  62. πŸ” 21% Praefatio solemnis de Ascensione DominiPraefatio solemnis de Ascensione Domini
  63. πŸ” 21% Te gloriosus ApostolorumTe gloriosus Apostolorum
  64. πŸ” 21% Praefatio ferialis de Omnibus Sanctis et PatronisPraefatio ferialis de Omnibus Sanctis et Patronis
  65. πŸ” 21% Praefatio solemnis communisPraefatio solemnis communis