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% Gabriel ArchangeleGabriel Archangele
  2. 🔍 44% Sanctus AntoninusSanctus Antoninus
  3. 🔍 39% In matutinisIn matutinis
  4. 🔍 33% Dominus... erexitDominus... erexit
  5. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  6. 🔍 32% Protexisti meProtexisti me
  7. 🔍 32% Protexisti meProtexisti me
  8. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  9. 🔍 31% O lux beata CaelitumO lux beata Caelitum
  10. 🔍 31% Protexisti meProtexisti me
  11. 🔍 30% O lux beata CaelitumO lux beata Caelitum
  12. 🔍 30% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  14. 🔍 30% Tenuisti manumTenuisti manum
  15. 🔍 30% Qui manducatQui manducat
  16. 🔍 30% Quicumque certumQuicumque certum
  17. 🔍 30% Ex odorisEx odoris
  18. 🔍 30% Auctor salutisAuctor salutis
  19. 🔍 29% Audi benigne ConditorAudi benigne Conditor
  20. 🔍 29% Auctor salutis uniceAuctor salutis unice
  21. 🔍 29% O virgo maximaO virgo maxima
  22. 🔍 29% Jesu nostra redemptioJesu nostra redemptio
  23. 🔍 29% Tenuisti manumTenuisti manum
  24. 🔍 28% De profundisDe profundis
  25. 🔍 28% Summae Deus clementiae septemSummae Deus clementiae septem
  26. 🔍 28% Tibi Redemptor omniumTibi Redemptor omnium
  27. 🔍 28% Audi benigne ConditorAudi benigne Conditor
  28. 🔍 28% Audi benigne ConditorAudi benigne Conditor
  29. 🔍 28% Archangeli GabrielisArchangeli Gabrielis
  30. 🔍 28% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  31. 🔍 28% Tu principatumTu principatum
  32. 🔍 28% Primo die quo TrinitasPrimo die quo Trinitas
  33. 🔍 28% Qui lacrimatusQui lacrimatus
  34. 🔍 28% O sator rerumO sator rerum
  35. 🔍 28% O gente felix hospitaO gente felix hospita
  36. 🔍 28% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  37. 🔍 27% Ne timeasNe timeas
  38. 🔍 27% Ascendit DeusAscendit Deus
  39. 🔍 27% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  40. 🔍 27% O Redemptor O Redemptor
  41. 🔍 27% Audi Benigne ConditorAudi Benigne Conditor
  42. 🔍 27% Audi benigneAudi benigne
  43. 🔍 27% Ne timeasNe timeas
  44. 🔍 27% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  45. 🔍 27% Gabrielem veneremurGabrielem veneremur
  46. 🔍 27% Audi benigne Conditor Audi benigne Conditor
  47. 🔍 27% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  48. 🔍 27% Pro eo... inquitPro eo... inquit
  49. 🔍 27% Gabriel ArchangelusGabriel Archangelus
  50. 🔍 27% Jesu dulcisJesu dulcis
  51. 🔍 27% Sancte Michael ArchangeleSancte Michael Archangele
  52. 🔍 27% Nostras deprecationesNostras deprecationes
  53. 🔍 27% Sumite Psalterium jucundumSumite Psalterium jucundum
  54. 🔍 27% LiberastiLiberasti
  55. 🔍 27% Te beata sponsa ChristiTe beata sponsa Christi
  56. 🔍 27% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  57. 🔍 26% Asperges meAsperges me
  58. 🔍 26% Praefatio de Beata Maria Virgine IPraefatio de Beata Maria Virgine I
  59. 🔍 26% Ego sum GabrielEgo sum Gabriel
  60. 🔍 26% Adorate DeumAdorate Deum
  61. 🔍 26% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  62. 🔍 26% O MartineO Martine
  63. 🔍 26% Praefatio de Adventu IPraefatio de Adventu I
  64. 🔍 26% Summi Parentis FilioSummi Parentis Filio
  65. 🔍 26% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus