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% O beatum virum cujus animaO beatum virum cujus anima
  2. 🔍 78% O beatum virum cujus animaO beatum virum cujus anima
  3. 🔍 72% O beatum virum cujusO beatum virum cujus
  4. 🔍 71% O beatum virum cujus animaO beatum virum cujus anima
  5. 🔍 27% Hodie beata VirgoHodie beata Virgo
  6. 🔍 26% Virgo gloriosaVirgo gloriosa
  7. 🔍 25% Ego plantaviEgo plantavi
  8. 🔍 24% Salvete Christi vulneraSalvete Christi vulnera
  9. 🔍 24% O Beatum virum in cujusO Beatum virum in cujus
  10. 🔍 24% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  11. 🔍 24% Salvete Christi vulneraSalvete Christi vulnera
  12. 🔍 24% Te beata sponsa ChristiTe beata sponsa Christi
  13. 🔍 23% O lux salutis nuntiaO lux salutis nuntia
  14. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 23% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  16. 🔍 23% Credo VIICredo VII
  17. 🔍 23% Spiritus Domini... praedicareSpiritus Domini... praedicare
  18. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  19. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  20. 🔍 23% Rector potens (In Adventu)Rector potens (In Adventu)
  21. 🔍 23% Rector potens (In Adventu)Rector potens (In Adventu)
  22. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  23. 🔍 22% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  24. 🔍 22% In civitateIn civitate
  25. 🔍 22% Dilectio DeiDilectio Dei
  26. 🔍 22% Rerum Deus (in Festo Septem Dolorum BMV)Rerum Deus (in Festo Septem Dolorum BMV)
  27. 🔍 22% Hodie Christus natus estHodie Christus natus est
  28. 🔍 22% Verbum supernum prodiens a Verbum supernum prodiens a
  29. 🔍 22% Exsultet omnium... BenedictiExsultet omnium... Benedicti
  30. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  31. 🔍 22% Ternis ter horisTernis ter horis
  32. 🔍 22% Praefatio solemnior de Nativitate DominiPraefatio solemnior de Nativitate Domini
  33. 🔍 22% Missus est Angelus Gabriel (19 Martii)Missus est Angelus Gabriel (19 Martii)
  34. 🔍 22% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  35. 🔍 22% Spiritus... super me... praedicareSpiritus... super me... praedicare
  36. 🔍 22% Exsultet jam AngelicaExsultet jam Angelica
  37. 🔍 22% Gentis redemptaeGentis redemptae
  38. 🔍 22% Summae Deus clementiae septemSummae Deus clementiae septem
  39. 🔍 22% Exsultet omnium turba...Patris BenedictiExsultet omnium turba...Patris Benedicti
  40. 🔍 22% Dilectio DeiDilectio Dei
  41. 🔍 21% Praefatio solemnior de S. BenedictoPraefatio solemnior de S. Benedicto
  42. 🔍 21% Verbum caro factum estVerbum caro factum est
  43. 🔍 21% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  44. 🔍 21% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  45. 🔍 21% Hodie gloriosaHodie gloriosa
  46. 🔍 21% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  47. 🔍 21% Benedicta sit sanctaBenedicta sit sancta
  48. 🔍 21% Protege DomineProtege Domine
  49. 🔍 21% Sanctitatis nova signaSanctitatis nova signa
  50. 🔍 21% Sanctitatis nova signaSanctitatis nova signa
  51. 🔍 21% Praefatio solemnis de Spiritu SanctoPraefatio solemnis de Spiritu Sancto
  52. 🔍 21% Laudemus virum gloriosumLaudemus virum gloriosum
  53. 🔍 21% Audi benigne conditorAudi benigne conditor
  54. 🔍 21% Verbum supernum prodiens aVerbum supernum prodiens a
  55. 🔍 21% Invocabit meInvocabit me
  56. 🔍 21% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  57. 🔍 21% Post partum VirgoPost partum Virgo
  58. 🔍 21% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  59. 🔍 21% O salutaris Hostia VIIO salutaris Hostia VII
  60. 🔍 21% Audi Benigne ConditorAudi Benigne Conditor
  61. 🔍 21% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  62. 🔍 21% Clamaverunt justiClamaverunt justi
  63. 🔍 21% Praesulis exsultansPraesulis exsultans
  64. 🔍 21% Praefatio solemnior de Epiphania DominiPraefatio solemnior de Epiphania Domini
  65. 🔍 21% Nunc Sancte nobis (In Tempore Passionis)Nunc Sancte nobis (In Tempore Passionis)