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% Portas caeliPortas caeli
  2. 🔍 45% Portas coeliPortas coeli
  3. 🔍 34% Portas caeliPortas caeli
  4. 🔍 33% Portas caeliPortas caeli
  5. 🔍 31% Cibavit eosCibavit eos
  6. 🔍 30% QuotiescumqueQuotiescumque
  7. 🔍 30% Dominus fortitudoDominus fortitudo
  8. 🔍 29% Exspectans exspectaviExspectans exspectavi
  9. 🔍 28% Domine Jesu ChristeDomine Jesu Christe
  10. 🔍 28% CogitationesCogitationes
  11. 🔍 27% Benedicite gentesBenedicite gentes
  12. 🔍 27% Dominus dixitDominus dixit
  13. 🔍 27% In voluntateIn voluntate
  14. 🔍 26% Video caelosVideo caelos
  15. 🔍 26% Anima nostraAnima nostra
  16. 🔍 26% Psallite DominoPsallite Domino
  17. 🔍 25% Attende caelumAttende caelum
  18. 🔍 25% Panem de caeloPanem de caelo
  19. 🔍 25% ImproperiumImproperium
  20. 🔍 25% Puer natus estPuer natus est
  21. 🔍 25% Spiritus DominiSpiritus Domini
  22. 🔍 25% Angeli ArchangeliAngeli Archangeli
  23. 🔍 25% Aqua sapientiaeAqua sapientiae
  24. 🔍 25% ConfitebunturConfitebuntur
  25. 🔍 25% Terribilis estTerribilis est
  26. 🔍 25% Cibavit eosCibavit eos
  27. 🔍 25% Laudate DominumLaudate Dominum
  28. 🔍 24% Benedicite gentesBenedicite gentes
  29. 🔍 24% Domine audiviDomine audivi
  30. 🔍 24% Laudate DominumLaudate Dominum
  31. 🔍 24% Cantemus DominoCantemus Domino
  32. 🔍 24% Angelus Domini descenditAngelus Domini descendit
  33. 🔍 24% Cantate DominoCantate Domino
  34. 🔍 24% Unam petiiUnam petii
  35. 🔍 24% Dum venerit ParaclitusDum venerit Paraclitus
  36. 🔍 24% Anima nostraAnima nostra
  37. 🔍 24% VoveteVovete
  38. 🔍 24% HosannaHosanna
  39. 🔍 24% Haec dies... Dicant nuncHaec dies... Dicant nunc
  40. 🔍 23% Viri GalilaeiViri Galilaei
  41. 🔍 23% Descendit JesusDescendit Jesus
  42. 🔍 23% Lauda Syon SalvatoremLauda Syon Salvatorem
  43. 🔍 23% Pater cum essemPater cum essem
  44. 🔍 23% Vir eratVir erat
  45. 🔍 23% Postquam surrexitPostquam surrexit
  46. 🔍 23% Factus estFactus est
  47. 🔍 23% Reges TharsisReges Tharsis
  48. 🔍 23% Anima nostraAnima nostra
  49. 🔍 23% ExclamaveruntExclamaverunt
  50. 🔍 23% In medioIn medio
  51. 🔍 23% Spiritus DominiSpiritus Domini
  52. 🔍 23% Assumpta estAssumpta est
  53. 🔍 23% Intende vociIntende voci
  54. 🔍 23% De fructu operumDe fructu operum
  55. 🔍 22% Precatus estPrecatus est
  56. 🔍 22% Misericordia DominiMisericordia Domini
  57. 🔍 22% CoeperuntCoeperunt
  58. 🔍 22% Pascha nostrumPascha nostrum
  59. 🔍 22% Ave Rex nosterAve Rex noster
  60. 🔍 22% Exaltabo teExaltabo te
  61. 🔍 22% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  62. 🔍 22% Misit DominusMisit Dominus
  63. 🔍 22% Justorum animaeJustorum animae
  64. 🔍 22% Dum clamaremDum clamarem
  65. 🔍 21% Deus Deus meusDeus Deus meus