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% Ave caput!Ave caput!
  2. 🔍 24% Festum MariaeFestum Mariae
  3. 🔍 24% O Maria Mater pia MaterO Maria Mater pia Mater
  4. 🔍 23% Sanctitatis nova signaSanctitatis nova signa
  5. 🔍 23% Sanctitatis nova signaSanctitatis nova signa
  6. 🔍 23% Omnis expertemOmnis expertem
  7. 🔍 22% O diem gemmaO diem gemma
  8. 🔍 22% Adoro te devoteAdoro te devote
  9. 🔍 21% Ave verumAve verum
  10. 🔍 21% Adoro te devoteAdoro te devote
  11. 🔍 21% Ave lumenAve lumen
  12. 🔍 21% Caelitum IosephCaelitum Ioseph
  13. 🔍 21% Commune vos apostoliCommune vos apostoli
  14. 🔍 20% Dies iraeDies irae
  15. 🔍 20% Verbum bonum et suaveVerbum bonum et suave
  16. 🔍 20% Omnis expertemOmnis expertem
  17. 🔍 20% Omnis expertem maculaeOmnis expertem maculae
  18. 🔍 19% Gaude Virgo Mater Christi.Gaude Virgo Mater Christi.
  19. 🔍 19% Lauda SionLauda Sion
  20. 🔍 19% Exsultet jam AngelicaExsultet jam Angelica
  21. 🔍 19% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  22. 🔍 19% Voce jucunditatisVoce jucunditatis
  23. 🔍 19% Ave Regis AngelorumAve Regis Angelorum
  24. 🔍 19% Tantum ergoTantum ergo
  25. 🔍 19% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  26. 🔍 19% Exsultet iam angelicaExsultet iam angelica
  27. 🔍 19% Dies iraeDies irae
  28. 🔍 19% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  29. 🔍 19% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  30. 🔍 19% Praeclara qua tu gloriaPraeclara qua tu gloria
  31. 🔍 19% Tantum ergoTantum ergo
  32. 🔍 19% Luce divinaLuce divina
  33. 🔍 19% Mariae Virgini LaudesMariae Virgini Laudes
  34. 🔍 19% O sator rerumO sator rerum
  35. 🔍 19% O splendor pudicitiaeO splendor pudicitiae
  36. 🔍 19% Te DeumTe Deum
  37. 🔍 19% Post partum VirgoPost partum Virgo
  38. 🔍 18% MemorareMemorare
  39. 🔍 18% Ave Virgo specieiAve Virgo speciei
  40. 🔍 18% Ad Virginem Dei MatremAd Virginem Dei Matrem
  41. 🔍 18% Te nostra laetisTe nostra laetis
  42. 🔍 18% Coelitum JosephCoelitum Joseph
  43. 🔍 18% Te DeumTe Deum
  44. 🔍 18% Omnis expertemOmnis expertem
  45. 🔍 18% Apostolorum passio diemApostolorum passio diem
  46. 🔍 18% O quantum in CruceO quantum in Cruce
  47. 🔍 18% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  48. 🔍 18% De profundis tenebrarum!De profundis tenebrarum!
  49. 🔍 18% Grates nunc omnesGrates nunc omnes
  50. 🔍 18% Relucens inter principesRelucens inter principes
  51. 🔍 18% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  52. 🔍 18% Dies irae, ad Vesperas, Peccatricem qui solvisti Dies irae, ad Vesperas, Peccatricem qui solvisti
  53. 🔍 18% Cor JesuCor Jesu
  54. 🔍 18% Tota pulchra esTota pulchra es
  55. 🔍 18% Miserere (Ps 50)Miserere (Ps 50)
  56. 🔍 18% Credo IICredo II
  57. 🔍 18% Vitae novae praevia!Vitae novae praevia!
  58. 🔍 18% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  59. 🔍 18% Salve Crux sancta!Salve Crux sancta!
  60. 🔍 18% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  61. 🔍 18% Quod chorus vatumQuod chorus vatum
  62. 🔍 18% Lauda SionLauda Sion
  63. 🔍 18% Praefatio ferialis de S. BenedictoPraefatio ferialis de S. Benedicto
  64. 🔍 18% Qui luce splendesQui luce splendes
  65. 🔍 18% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A