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% Tu es Petrus (In Eastertide)Tu es Petrus (In Eastertide)
  2. 🔍 54% Hoc corpus (In Eastertide)Hoc corpus (In Eastertide)
  3. 🔍 53% Humiliavit (in Eastertide)Humiliavit (in Eastertide)
  4. 🔍 53% Tu es PetrusTu es Petrus
  5. 🔍 44% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  6. 🔍 44% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  7. 🔍 42% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  8. 🔍 40% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  9. 🔍 35% Spiritus quiSpiritus qui
  10. 🔍 34% Pascha nostrumPascha nostrum
  11. 🔍 33% Spiritus SanctusSpiritus Sanctus
  12. 🔍 32% Jacob autemJacob autem
  13. 🔍 32% Beata visceraBeata viscera
  14. 🔍 31% In omnem terramIn omnem terram
  15. 🔍 31% Per signum CrucisPer signum Crucis
  16. 🔍 31% Gaudete justiGaudete justi
  17. 🔍 30% Ecce virgoEcce virgo
  18. 🔍 29% Tu es Petrus... alleluiaTu es Petrus... alleluia
  19. 🔍 29% Tu es PetrusTu es Petrus
  20. 🔍 29% Ego sum pastor ... alleluyaEgo sum pastor ... alleluya
  21. 🔍 28% Si quis sititSi quis sitit
  22. 🔍 28% Psallite DominoPsallite Domino
  23. 🔍 28% Salve sancta ParensSalve sancta Parens
  24. 🔍 27% RequiescantRequiescant
  25. 🔍 27% Joseph fili DavidJoseph fili David
  26. 🔍 27% Quod dico vobisQuod dico vobis
  27. 🔍 27% Benedicite omnes AngeliBenedicite omnes Angeli
  28. 🔍 27% Mitte manum... alleluiaMitte manum... alleluia
  29. 🔍 26% StatuitStatuit
  30. 🔍 26% Lauda JerusalemLauda Jerusalem
  31. 🔍 26% Angeli ArchangeliAngeli Archangeli
  32. 🔍 26% BeatamBeatam
  33. 🔍 26% Gaudeamus ... EdmundGaudeamus ... Edmund
  34. 🔍 26% Justus ut palmaJustus ut palma
  35. 🔍 26% Os justiOs justi
  36. 🔍 25% Nos autemNos autem
  37. 🔍 25% Protexisti meProtexisti me
  38. 🔍 25% Fidelis servusFidelis servus
  39. 🔍 25% Quasi modoQuasi modo
  40. 🔍 25% Laetabitur justusLaetabitur justus
  41. 🔍 25% In medioIn medio
  42. 🔍 25% Juravit DominusJuravit Dominus
  43. 🔍 25% VisionemVisionem
  44. 🔍 24% DilexistiDilexisti
  45. 🔍 24% Hic est sacerdosHic est sacerdos
  46. 🔍 24% LaetaminiLaetamini
  47. 🔍 24% SedebitSedebit
  48. 🔍 24% FoderuntFoderunt
  49. 🔍 24% Alleluia (ad Evangelium)Alleluia (ad Evangelium)
  50. 🔍 24% Jubilate DeoJubilate Deo
  51. 🔍 24% Beatus servusBeatus servus
  52. 🔍 24% ConfitebunturConfitebuntur
  53. 🔍 23% Cantate DominoCantate Domino
  54. 🔍 23% Accipite jucunditatemAccipite jucunditatem
  55. 🔍 23% Adjutor et protectorAdjutor et protector
  56. 🔍 23% Tanto temporeTanto tempore
  57. 🔍 23% Lumen gentiumLumen gentium
  58. 🔍 23% ExclamaveruntExclamaverunt
  59. 🔍 23% Constitues eosConstitues eos
  60. 🔍 23% Cantate DominoCantate Domino
  61. 🔍 23% Veritas meaVeritas mea
  62. 🔍 23% ModicumModicum
  63. 🔍 23% Quinque prudentesQuinque prudentes
  64. 🔍 23% Semel juraviSemel juravi
  65. 🔍 23% Posuisti DominePosuisti Domine