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% Before the ending of the day (Solemnity tone)Before the ending of the day (Solemnity tone)
  2. 🔍 93% Before the ending of the day (Sunday tone)Before the ending of the day (Sunday tone)
  3. 🔍 92% Before the ending of the day (Epiphany tone)Before the ending of the day (Epiphany tone)
  4. 🔍 92% Before the ending of the day (Feast tone)Before the ending of the day (Feast tone)
  5. 🔍 90% Before the ending of the day (Advent tone)Before the ending of the day (Advent tone)
  6. 🔍 88% Before the ending of the day (ferial tone)Before the ending of the day (ferial tone)
  7. 🔍 86% Before the ending of the day (Memorial tone)Before the ending of the day (Memorial tone)
  8. 🔍 86% Before the ending of the day (Memorials and Feasts of Our Lady)Before the ending of the day (Memorials and Feasts of Our Lady)
  9. 🔍 30% Gloria (Introits tone 5)Gloria (Introits tone 5)
  10. 🔍 29% Gloria (Introits tone 4)Gloria (Introits tone 4)
  11. 🔍 29% Gloria (Introits tone 7)Gloria (Introits tone 7)
  12. 🔍 29% Gloria (Introits tone 3)Gloria (Introits tone 3)
  13. 🔍 28% Gloria (Introits tone 1)Gloria (Introits tone 1)
  14. 🔍 28% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  15. 🔍 27% Gloria (Introits tone 8)Gloria (Introits tone 8)
  16. 🔍 26% Gloria (Introits tone 2)Gloria (Introits tone 2)
  17. 🔍 26% Ave Rex nosterAve Rex noster
  18. 🔍 25% Gloria (Introits tone 6)Gloria (Introits tone 6)
  19. 🔍 24% Pueri Hebraeorum 2Pueri Hebraeorum 2
  20. 🔍 23% Adorna thalamumAdorna thalamum
  21. 🔍 23% Lauda Syon SalvatoremLauda Syon Salvatorem
  22. 🔍 23% Lumen HilareLumen Hilare
  23. 🔍 21% GloriaGloria
  24. 🔍 21% Gaudeamus ... AnnaGaudeamus ... Anna
  25. 🔍 21% Domini est terraDomini est terra
  26. 🔍 21% SuscepimusSuscepimus
  27. 🔍 21% Credo IIICredo III
  28. 🔍 21% Cum angelisCum angelis
  29. 🔍 20% Hodie scietisHodie scietis
  30. 🔍 20% SuscepimusSuscepimus
  31. 🔍 20% HosannaHosanna
  32. 🔍 20% Gaudeamus ... AgathaGaudeamus ... Agatha
  33. 🔍 20% ExsultetExsultet
  34. 🔍 20% Gaudeamus ... ConceptionGaudeamus ... Conception
  35. 🔍 20% Gaudeamus ... AssumptionGaudeamus ... Assumption
  36. 🔍 20% In splendoribusIn splendoribus
  37. 🔍 20% EmendemusEmendemus
  38. 🔍 19% Deus IsraelDeus Israel
  39. 🔍 19% Stabat MaterStabat Mater
  40. 🔍 19% Calix benedictionisCalix benedictionis
  41. 🔍 19% CoeperuntCoeperunt
  42. 🔍 19% Agnus (November 2)Agnus (November 2)
  43. 🔍 19% Occurrunt turbaeOccurrunt turbae
  44. 🔍 19% Nunc scioNunc scio
  45. 🔍 19% Domine Jesu ChristeDomine Jesu Christe
  46. 🔍 19% Exaudi nosExaudi nos
  47. 🔍 19% Gaudeamus ... Mary MagdalenGaudeamus ... Mary Magdalen
  48. 🔍 19% QuotiescumqueQuotiescumque
  49. 🔍 19% Os justiOs justi
  50. 🔍 19% Adorna ThalamumAdorna Thalamum
  51. 🔍 19% Ex ore infantiumEx ore infantium
  52. 🔍 19% Dominus DixitDominus Dixit
  53. 🔍 19% Dum venerit ParaclitusDum venerit Paraclitus
  54. 🔍 18% Felices sensusFelices sensus
  55. 🔍 18% Dicit DominusDicit Dominus
  56. 🔍 18% Beata visceraBeata viscera
  57. 🔍 18% R. IngredienteR. Ingrediente
  58. 🔍 18% Gaudeamus ... ThomasGaudeamus ... Thomas
  59. 🔍 18% SuscepimusSuscepimus
  60. 🔍 18% Omnes collaudantOmnes collaudant
  61. 🔍 18% Crucem tuam adoramusCrucem tuam adoramus
  62. 🔍 18% De fructu operumDe fructu operum
  63. 🔍 18% In Nomine Jesu 2In Nomine Jesu 2
  64. 🔍 18% Cibavit EosCibavit Eos
  65. 🔍 18% Spiritus DominiSpiritus Domini