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% Joseph fili DavidJoseph fili David
  2. 🔍 69% Non vos me elegistisNon vos me elegistis
  3. 🔍 32% Joseph fili DavidJoseph fili David
  4. 🔍 32% Joseph fili DavidJoseph fili David
  5. 🔍 31% Joseph fili DavidJoseph fili David
  6. 🔍 31% Joseph fili DavidJoseph fili David
  7. 🔍 31% Joseph fili DavidJoseph fili David
  8. 🔍 29% Ego sum PastorEgo sum Pastor
  9. 🔍 28% Ioseph fili DavidIoseph fili David
  10. 🔍 28% Ioseph, fili DavidIoseph, fili David
  11. 🔍 27% Surge aquiloSurge aquilo
  12. 🔍 27% Domine Deus virtutumDomine Deus virtutum
  13. 🔍 26% MultifarieMultifarie
  14. 🔍 26% Quinque prudentesQuinque prudentes
  15. 🔍 26% Amavit eumAmavit eum
  16. 🔍 26% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  17. 🔍 25% Dominus regnavit decoremDominus regnavit decorem
  18. 🔍 25% Exalent eumExalent eum
  19. 🔍 25% Usque modoUsque modo
  20. 🔍 24% Uxor tuaUxor tua
  21. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 24% Non vos me elegistisNon vos me elegistis
  23. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  24. 🔍 24% Quid mihi estQuid mihi est
  25. 🔍 24% Haec dies... Dicant nuncHaec dies... Dicant nunc
  26. 🔍 24% Tollite portasTollite portas
  27. 🔍 23% Tu es vas electionisTu es vas electionis
  28. 🔍 23% Angelis suisAngelis suis
  29. 🔍 23% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  30. 🔍 23% Domine refugiumDomine refugium
  31. 🔍 23% DispersitDispersit
  32. 🔍 23% Salve dies dierumSalve dies dierum
  33. 🔍 23% Angelis suisAngelis suis
  34. 🔍 23% Tu es vasTu es vas
  35. 🔍 23% O gente felix hospitaO gente felix hospita
  36. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  37. 🔍 23% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  38. 🔍 23% Stabat sancta MariaStabat sancta Maria
  39. 🔍 23% Haec dies... DexteraHaec dies... Dextera
  40. 🔍 23% A summo caeloA summo caelo
  41. 🔍 23% Salvos nos facSalvos nos fac
  42. 🔍 23% Exsultabit cor meumExsultabit cor meum
  43. 🔍 23% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  44. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  45. 🔍 23% Ioseph fili DavidIoseph fili David
  46. 🔍 23% Dies iraeDies irae
  47. 🔍 22% Amavit eumAmavit eum
  48. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  49. 🔍 22% Deus qui sedesDeus qui sedes
  50. 🔍 22% Relinqui domumRelinqui domum
  51. 🔍 22% Angelus Domini apparuit (S. Jos.)Angelus Domini apparuit (S. Jos.)
  52. 🔍 22% Ipse est directusIpse est directus
  53. 🔍 22% Tollite portasTollite portas
  54. 🔍 22% Ostende nobisOstende nobis
  55. 🔍 22% In sole posuitIn sole posuit
  56. 🔍 22% Pascha nostrumPascha nostrum
  57. 🔍 22% Hodie scietisHodie scietis
  58. 🔍 22% Christus resurgensChristus resurgens
  59. 🔍 22% Anima nostraAnima nostra
  60. 🔍 22% Angelus Domini apparuit (Resp.)Angelus Domini apparuit (Resp.)
  61. 🔍 21% Visi suntVisi sunt
  62. 🔍 21% Caro mea vereCaro mea vere
  63. 🔍 21% Tu es Petrus (Tractus)Tu es Petrus (Tractus)
  64. 🔍 21% Laudes clarasLaudes claras
  65. 🔍 21% Justus ut palmaJustus ut palma