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 (Sunday tone)Before the ending of the day (Sunday tone)
  2. 🔍 95% Before the ending of the day (Feast tone)Before the ending of the day (Feast tone)
  3. 🔍 94% Before the ending of the day (Epiphany tone)Before the ending of the day (Epiphany tone)
  4. 🔍 93% Before the ending of the day (Solemnity tone)Before the ending of the day (Solemnity tone)
  5. 🔍 92% Before the ending of the day (Advent tone)Before the ending of the day (Advent tone)
  6. 🔍 90% Before the ending of the day (ferial tone)Before the ending of the day (ferial tone)
  7. 🔍 89% Before the ending of the day (Memorial tone)Before the ending of the day (Memorial tone)
  8. 🔍 87% 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. 🔍 30% Gloria (Introits tone 4)Gloria (Introits tone 4)
  11. 🔍 29% Gloria (Introits tone 1)Gloria (Introits tone 1)
  12. 🔍 29% Gloria (Introits tone 3)Gloria (Introits tone 3)
  13. 🔍 28% Gloria (Introits tone 7)Gloria (Introits tone 7)
  14. 🔍 28% Gloria (Introits tone 8)Gloria (Introits tone 8)
  15. 🔍 27% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  16. 🔍 26% Ave Rex nosterAve Rex noster
  17. 🔍 26% Gloria (Introits tone 6)Gloria (Introits tone 6)
  18. 🔍 26% Gloria (Introits tone 2)Gloria (Introits tone 2)
  19. 🔍 24% Pueri Hebraeorum 2Pueri Hebraeorum 2
  20. 🔍 23% Lauda Syon SalvatoremLauda Syon Salvatorem
  21. 🔍 23% Adorna thalamumAdorna thalamum
  22. 🔍 22% Lumen HilareLumen Hilare
  23. 🔍 22% Domini est terraDomini est terra
  24. 🔍 21% Deus IsraelDeus Israel
  25. 🔍 21% SuscepimusSuscepimus
  26. 🔍 21% Credo IIICredo III
  27. 🔍 21% GloriaGloria
  28. 🔍 21% Gaudeamus ... AnnaGaudeamus ... Anna
  29. 🔍 21% Hodie scietisHodie scietis
  30. 🔍 21% SuscepimusSuscepimus
  31. 🔍 20% Cum angelisCum angelis
  32. 🔍 20% HosannaHosanna
  33. 🔍 20% In splendoribusIn splendoribus
  34. 🔍 20% Calix benedictionisCalix benedictionis
  35. 🔍 20% Nunc scioNunc scio
  36. 🔍 20% CoeperuntCoeperunt
  37. 🔍 20% Gaudeamus ... AgathaGaudeamus ... Agatha
  38. 🔍 20% Occurrunt turbaeOccurrunt turbae
  39. 🔍 20% Gaudeamus ... ConceptionGaudeamus ... Conception
  40. 🔍 20% Gaudeamus ... AssumptionGaudeamus ... Assumption
  41. 🔍 19% Stabat MaterStabat Mater
  42. 🔍 19% Agnus (November 2)Agnus (November 2)
  43. 🔍 19% ExsultetExsultet
  44. 🔍 19% Os justiOs justi
  45. 🔍 19% Felices sensusFelices sensus
  46. 🔍 19% Crucem tuam adoramusCrucem tuam adoramus
  47. 🔍 19% Gaudeamus ... Mary MagdalenGaudeamus ... Mary Magdalen
  48. 🔍 19% Domine Jesu ChristeDomine Jesu Christe
  49. 🔍 18% Dicit DominusDicit Dominus
  50. 🔍 18% Agnus Dei XIAgnus Dei XI
  51. 🔍 18% In Nomine Jesu 2In Nomine Jesu 2
  52. 🔍 18% QuotiescumqueQuotiescumque
  53. 🔍 18% Omnes collaudantOmnes collaudant
  54. 🔍 18% Beata visceraBeata viscera
  55. 🔍 18% Dominus DixitDominus Dixit
  56. 🔍 18% Dum venerit ParaclitusDum venerit Paraclitus
  57. 🔍 18% De fructu operumDe fructu operum
  58. 🔍 18% Ex ore infantiumEx ore infantium
  59. 🔍 18% Pueri Hebraeorum 1Pueri Hebraeorum 1
  60. 🔍 18% EmendemusEmendemus
  61. 🔍 18% Gaudeamus ... ThomasGaudeamus ... Thomas
  62. 🔍 18% Exaudi nosExaudi nos
  63. 🔍 18% Ave Maria (Hail Mary)Ave Maria (Hail Mary)
  64. 🔍 18% Dextera DominiDextera Domini
  65. 🔍 18% Viderunt omnesViderunt omnes