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% Post partum (Off)Post partum (Off)
  2. 🔍 64% Angelus Domini descendit (Off.)Angelus Domini descendit (Off.)
  3. 🔍 63% Post partum (Off)Post partum (Off)
  4. 🔍 61% Posuisti Domine (Off.)Posuisti Domine (Off.)
  5. 🔍 56% Assumpta est Maria (Off.)Assumpta est Maria (Off.)
  6. 🔍 40% Post partumPost partum
  7. 🔍 38% Post partum VirgoPost partum Virgo
  8. 🔍 37% Post partum (Resp Br)Post partum (Resp Br)
  9. 🔍 34% Angelus Domini descenditAngelus Domini descendit
  10. 🔍 32% Beata es VirgoBeata es Virgo
  11. 🔍 31% Populum humilemPopulum humilem
  12. 🔍 30% Post partum VirgoPost partum Virgo
  13. 🔍 29% Bonitas DominiBonitas Domini
  14. 🔍 28% Posuisti Domine (Off.)Posuisti Domine (Off.)
  15. 🔍 27% Assumpta estAssumpta est
  16. 🔍 26% Salus populiSalus populi
  17. 🔍 26% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  18. 🔍 25% SanctificavitSanctificavit
  19. 🔍 25% SperaSpera
  20. 🔍 25% Inveni DavidInveni David
  21. 🔍 25% ExsultavitExsultavit
  22. 🔍 25% Domine fortitudoDomine fortitudo
  23. 🔍 24% Inveni DavidInveni David
  24. 🔍 24% Ad te levaviAd te levavi
  25. 🔍 24% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  26. 🔍 24% Esto mihiEsto mihi
  27. 🔍 24% Assumpta estAssumpta est
  28. 🔍 24% Simon JoannisSimon Joannis
  29. 🔍 24% Confitebor tibi... DeusConfitebor tibi... Deus
  30. 🔍 24% Erit vobisErit vobis
  31. 🔍 24% AdducenturAdducentur
  32. 🔍 24% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  33. 🔍 24% Christi factus sumChristi factus sum
  34. 🔍 23% Gloria (ad lib.) II.Gloria (ad lib.) II.
  35. 🔍 23% Justorum animae (Off.)Justorum animae (Off.)
  36. 🔍 23% Justi epulentur (Off.)Justi epulentur (Off.)
  37. 🔍 23% UniversiUniversi
  38. 🔍 23% Hodie beata VirgoHodie beata Virgo
  39. 🔍 23% Miserere mei DeusMiserere mei Deus
  40. 🔍 23% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  41. 🔍 23% Memento nostriMemento nostri
  42. 🔍 23% Domus meaDomus mea
  43. 🔍 23% Afferentur... pro patribusAfferentur... pro patribus
  44. 🔍 23% Vultum tuumVultum tuum
  45. 🔍 23% Ave Maria... et benedictusAve Maria... et benedictus
  46. 🔍 23% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  47. 🔍 23% AperiteAperite
  48. 🔍 23% Dulcis et rectusDulcis et rectus
  49. 🔍 23% GloriabunturGloriabuntur
  50. 🔍 22% BenedictaBenedicta
  51. 🔍 22% Dominus fortitudoDominus fortitudo
  52. 🔍 22% Confitebuntur caeliConfitebuntur caeli
  53. 🔍 22% In splendoribusIn splendoribus
  54. 🔍 22% Domine DeusDomine Deus
  55. 🔍 22% Venite adoremusVenite adoremus
  56. 🔍 22% Ingressus AaronIngressus Aaron
  57. 🔍 22% Beata gensBeata gens
  58. 🔍 22% Benedicite DominumBenedicite Dominum
  59. 🔍 22% Fidelis servus (Com.)Fidelis servus (Com.)
  60. 🔍 22% Salve sancta parensSalve sancta parens
  61. 🔍 22% CognoviCognovi
  62. 🔍 22% Confitebor tibi... in totoConfitebor tibi... in toto
  63. 🔍 22% In te speraviIn te speravi
  64. 🔍 22% Stetit Angelus (Off)Stetit Angelus (Off)
  65. 🔍 22% Agnus Dei VIIIAgnus Dei VIII