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% Tolle puerumTolle puerum
  2. 🔍 38% Tolle puerumTolle puerum
  3. 🔍 29% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  4. 🔍 27% Tolle puerumTolle puerum
  5. 🔍 27% Justorum animaeJustorum animae
  6. 🔍 26% Gloria (Introits tone 2)Gloria (Introits tone 2)
  7. 🔍 26% ObtuleruntObtulerunt
  8. 🔍 26% Puer natus estPuer natus est
  9. 🔍 26% Precatus estPrecatus est
  10. 🔍 25% Domini est terraDomini est terra
  11. 🔍 25% Beati mundo cordeBeati mundo corde
  12. 🔍 25% Tolle puerumTolle puerum
  13. 🔍 25% Salve sancta ParensSalve sancta Parens
  14. 🔍 24% Deus IsraelDeus Israel
  15. 🔍 24% Gloria (Introits tone 6)Gloria (Introits tone 6)
  16. 🔍 24% Credo IIICredo III
  17. 🔍 24% ExsultetExsultet
  18. 🔍 24% HosannaHosanna
  19. 🔍 23% Passer invenitPasser invenit
  20. 🔍 23% Omnes collaudantOmnes collaudant
  21. 🔍 23% VisionemVisionem
  22. 🔍 23% Beati Mundo CordeBeati Mundo Corde
  23. 🔍 23% Stabant juxtaStabant juxta
  24. 🔍 23% Justorum animaeJustorum animae
  25. 🔍 22% Pueri Hebraeorum 2Pueri Hebraeorum 2
  26. 🔍 22% Domine Jesu ChristeDomine Jesu Christe
  27. 🔍 22% VidimusVidimus
  28. 🔍 22% CoeperuntCoeperunt
  29. 🔍 22% Adorna ThalamumAdorna Thalamum
  30. 🔍 22% R. IngredienteR. Ingrediente
  31. 🔍 22% Haec dies... Dicant nuncHaec dies... Dicant nunc
  32. 🔍 22% Cum angelisCum angelis
  33. 🔍 22% Gloria (Introits tone 4)Gloria (Introits tone 4)
  34. 🔍 22% Mandatum novumMandatum novum
  35. 🔍 22% Ave Rex nosterAve Rex noster
  36. 🔍 22% VoveteVovete
  37. 🔍 22% Vir eratVir erat
  38. 🔍 21% Gloria (Introits tone 3)Gloria (Introits tone 3)
  39. 🔍 21% Exaudi nosExaudi nos
  40. 🔍 21% Lauda Syon SalvatoremLauda Syon Salvatorem
  41. 🔍 21% Occurrunt turbaeOccurrunt turbae
  42. 🔍 21% Intret in conspectuIntret in conspectu
  43. 🔍 21% Tu puerTu puer
  44. 🔍 21% Unam petii... BeatiUnam petii... Beati
  45. 🔍 21% Dum venerit ParaclitusDum venerit Paraclitus
  46. 🔍 21% Adorna thalamumAdorna thalamum
  47. 🔍 21% Postquam surrexitPostquam surrexit
  48. 🔍 21% Gloria (Introits tone 8)Gloria (Introits tone 8)
  49. 🔍 21% Ab ortu solisAb ortu solis
  50. 🔍 21% In voluntateIn voluntate
  51. 🔍 21% Si consurrexistisSi consurrexistis
  52. 🔍 21% Anima nostraAnima nostra
  53. 🔍 21% Nos autemNos autem
  54. 🔍 21% Emitte SpiritumEmitte Spiritum
  55. 🔍 21% Vox in RamaVox in Rama
  56. 🔍 21% Haec dies... ConfiteminiHaec dies... Confitemini
  57. 🔍 21% Dominus dixitDominus dixit
  58. 🔍 21% Beata gensBeata gens
  59. 🔍 21% IntroiboIntroibo
  60. 🔍 21% Lumen gentiumLumen gentium
  61. 🔍 21% Cantemus DominoCantemus Domino
  62. 🔍 21% Joseph fili DavidJoseph fili David
  63. 🔍 20% Hodie scietisHodie scietis
  64. 🔍 20% Tui sunt caeliTui sunt caeli
  65. 🔍 20% Unam petiiUnam petii