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% Christus semelChristus semel
  2. 🔍 32% Christus semelChristus semel
  3. 🔍 31% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  4. 🔍 31% AfferenturAfferentur
  5. 🔍 30% In medioIn medio
  6. 🔍 29% Christus unamChristus unam
  7. 🔍 29% Domine Jesu ChristeDomine Jesu Christe
  8. 🔍 29% In medioIn medio
  9. 🔍 28% Dicit DominusDicit Dominus
  10. 🔍 28% Turba multaTurba multa
  11. 🔍 28% HumiliavitHumiliavit
  12. 🔍 27% ObtuleruntObtulerunt
  13. 🔍 27% R. IngredienteR. Ingrediente
  14. 🔍 27% In omnem terramIn omnem terram
  15. 🔍 27% ResponsumResponsum
  16. 🔍 26% SapientiaSapientia
  17. 🔍 26% Agnus (November 2)Agnus (November 2)
  18. 🔍 26% Vultum tuumVultum tuum
  19. 🔍 26% VoveteVovete
  20. 🔍 26% Justorum animaeJustorum animae
  21. 🔍 26% Gloria (Introits tone 6)Gloria (Introits tone 6)
  22. 🔍 25% Invocabit meInvocabit me
  23. 🔍 25% Ab ortu solisAb ortu solis
  24. 🔍 25% Stabat MaterStabat Mater
  25. 🔍 25% Afferentur ... post eamAfferentur ... post eam
  26. 🔍 25% Gloria (Introits tone 2)Gloria (Introits tone 2)
  27. 🔍 25% Descendit JesusDescendit Jesus
  28. 🔍 25% Pueri Hebraeorum 2Pueri Hebraeorum 2
  29. 🔍 24% Deus IsraelDeus Israel
  30. 🔍 24% Multitudo ... ad eumMultitudo ... ad eum
  31. 🔍 24% Gaudens gaudeboGaudens gaudebo
  32. 🔍 24% IntroiboIntroibo
  33. 🔍 24% Requiem eternamRequiem eternam
  34. 🔍 24% Semel juraviSemel juravi
  35. 🔍 24% QuotiescumqueQuotiescumque
  36. 🔍 24% Christus semelChristus semel
  37. 🔍 24% De fructu operumDe fructu operum
  38. 🔍 24% Cibavit eosCibavit eos
  39. 🔍 24% Non enimNon enim
  40. 🔍 24% Gloria (Introits tone 4)Gloria (Introits tone 4)
  41. 🔍 24% RevelabiturRevelabitur
  42. 🔍 23% Jerusalem quae aedificaturJerusalem quae aedificatur
  43. 🔍 23% Spiritus DominiSpiritus Domini
  44. 🔍 23% Dum clamaremDum clamarem
  45. 🔍 23% Mihi autem absit ... S. FrancisMihi autem absit ... S. Francis
  46. 🔍 23% Pater cum essemPater cum essem
  47. 🔍 23% Dominus fortitudoDominus fortitudo
  48. 🔍 23% Jacob autemJacob autem
  49. 🔍 23% Qui habitatQui habitat
  50. 🔍 23% Dico vobisDico vobis
  51. 🔍 23% Nunc scioNunc scio
  52. 🔍 23% Intret in conspectuIntret in conspectu
  53. 🔍 23% Domine non secundumDomine non secundum
  54. 🔍 23% Audi filiaAudi filia
  55. 🔍 23% Ecce sacerdosEcce sacerdos
  56. 🔍 23% Confitebor DominoConfitebor Domino
  57. 🔍 23% Viderunt omnesViderunt omnes
  58. 🔍 23% Calix benedictionisCalix benedictionis
  59. 🔍 22% Gloria (Introits tone 3)Gloria (Introits tone 3)
  60. 🔍 22% Ave Rex nosterAve Rex noster
  61. 🔍 22% Postquam surrexitPostquam surrexit
  62. 🔍 22% ClamaveruntClamaverunt
  63. 🔍 22% In virtute tuaIn virtute tua
  64. 🔍 22% Exaudi nosExaudi nos
  65. 🔍 22% Nos autemNos autem