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% Januas caeli aperuitJanuas caeli aperuit
  2. 🔍 59% Januas caeli aperuitJanuas caeli aperuit
  3. 🔍 24% Redemit ... eosRedemit ... eos
  4. 🔍 23% Coram patribusCoram patribus
  5. 🔍 22% Suscitavit DominusSuscitavit Dominus
  6. 🔍 22% Nonne hicNonne hic
  7. 🔍 22% Fuerunt mihiFuerunt mihi
  8. 🔍 22% Portas caeliPortas caeli
  9. 🔍 21% Portas caeliPortas caeli
  10. 🔍 21% Dominus Deus caeliDominus Deus caeli
  11. 🔍 21% Deus adjutor est eorumDeus adjutor est eorum
  12. 🔍 20% Dominus de coeloDominus de coelo
  13. 🔍 20% Portas coeliPortas coeli
  14. 🔍 20% Jesus cum essetJesus cum esset
  15. 🔍 20% Ad omniaAd omnia
  16. 🔍 20% Laetentur caeliLaetentur caeli
  17. 🔍 19% Deus deorumDeus deorum
  18. 🔍 19% Quam admirabileQuam admirabile
  19. 🔍 19% In Deo salutare meumIn Deo salutare meum
  20. 🔍 19% Sedebit Dominus RexSedebit Dominus Rex
  21. 🔍 19% Ne timeas MariaNe timeas Maria
  22. 🔍 19% Et ego primogenitumEt ego primogenitum
  23. 🔍 19% Ex altari tuo Ex altari tuo
  24. 🔍 18% Ne taceas DeusNe taceas Deus
  25. 🔍 18% InvocantemInvocantem
  26. 🔍 18% AcceptabisAcceptabis
  27. 🔍 18% Gloriosus apparuistiGloriosus apparuisti
  28. 🔍 18% Justus DominusJustus Dominus
  29. 🔍 18% ComplaceatComplaceat
  30. 🔍 18% Voce meaVoce mea
  31. 🔍 18% Hic accipietHic accipiet
  32. 🔍 18% Inclina DomineInclina Domine
  33. 🔍 18% Videte opera DominiVidete opera Domini
  34. 🔍 18% Cumque GabrielCumque Gabriel
  35. 🔍 18% Exsurge Domine et intendeExsurge Domine et intende
  36. 🔍 18% Manus DominiManus Domini
  37. 🔍 18% Ego sum DominusEgo sum Dominus
  38. 🔍 18% Dominus possedit teDominus possedit te
  39. 🔍 17% Fratres: Convenientibus vobis in unumFratres: Convenientibus vobis in unum
  40. 🔍 17% Confessionem et decoremConfessionem et decorem
  41. 🔍 17% Propter inimicos meosPropter inimicos meos
  42. 🔍 17% Beatus illeBeatus ille
  43. 🔍 17% Clamaverunt justiClamaverunt justi
  44. 🔍 17% Sana DomineSana Domine
  45. 🔍 17% Statuit DominusStatuit Dominus
  46. 🔍 17% Alleluia alleluia alleluia (Quarta T.P. In I Nocturno)Alleluia alleluia alleluia (Quarta T.P. In I Nocturno)
  47. 🔍 17% Angelus Domini apparuit in somnis... vadeAngelus Domini apparuit in somnis... vade
  48. 🔍 17% Ecce vir GabrielEcce vir Gabriel
  49. 🔍 17% DelictaDelicta
  50. 🔍 17% Venite adoremus eumVenite adoremus eum
  51. 🔍 17% Magnus sanctus PaulusMagnus sanctus Paulus
  52. 🔍 17% Deus noster... salvosDeus noster... salvos
  53. 🔍 17% IntellegiteIntellegite
  54. 🔍 17% Adjuva nos DeusAdjuva nos Deus
  55. 🔍 17% Memor sitMemor sit
  56. 🔍 16% Cantabo DominoCantabo Domino
  57. 🔍 16% In universa terraIn universa terra
  58. 🔍 16% Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)
  59. 🔍 16% Tollite portasTollite portas
  60. 🔍 16% Deus meus eripe me deDeus meus eripe me de
  61. 🔍 16% A facie furoris tuiA facie furoris tui
  62. 🔍 16% Laudemus Deum nostrum... MartiniLaudemus Deum nostrum... Martini
  63. 🔍 16% Manum suam aperuitManum suam aperuit
  64. 🔍 16% In lege DominiIn lege Domini
  65. 🔍 16% Induit me DominusInduit me Dominus