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% Os justiOs justi
  2. 🔍 69% Os justi (Grad.)Os justi (Grad.)
  3. 🔍 52% Os justiOs justi
  4. 🔍 41% Os justiOs justi
  5. 🔍 35% Sapientia hujus mundiSapientia hujus mundi
  6. 🔍 32% Os justiOs justi
  7. 🔍 31% Qui timetisQui timetis
  8. 🔍 31% Apud Dominum gressusApud Dominum gressus
  9. 🔍 30% Testis mihi estTestis mihi est
  10. 🔍 29% Sapientia hujus mundiSapientia hujus mundi
  11. 🔍 29% Inflammatum estInflammatum est
  12. 🔍 28% Diligite DominumDiligite Dominum
  13. 🔍 28% Tota formosaTota formosa
  14. 🔍 28% Esto mihiEsto mihi
  15. 🔍 28% Os justiOs justi
  16. 🔍 27% Os justiOs justi
  17. 🔍 27% Os justi (T.P.)Os justi (T.P.)
  18. 🔍 26% Ego dixi DomineEgo dixi Domine
  19. 🔍 26% Os justiOs justi
  20. 🔍 26% Os justiOs justi
  21. 🔍 25% Inveni DavidInveni David
  22. 🔍 25% Pontifex sacerdosPontifex sacerdos
  23. 🔍 25% Os justi (Paschal Time)Os justi (Paschal Time)
  24. 🔍 25% Ab ortu solisAb ortu solis
  25. 🔍 24% Lex DeiLex Dei
  26. 🔍 24% Specie tuaSpecie tua
  27. 🔍 24% Miserere mei DeusMiserere mei Deus
  28. 🔍 24% Custodi meCustodi me
  29. 🔍 24% Os justiOs justi
  30. 🔍 24% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  31. 🔍 24% Sciant gentesSciant gentes
  32. 🔍 24% Sacerdotes ejusSacerdotes ejus
  33. 🔍 24% Ab ortu solisAb ortu solis
  34. 🔍 23% Exsurge... et intendeExsurge... et intende
  35. 🔍 23% Spera in DominoSpera in Domino
  36. 🔍 23% Ego autemEgo autem
  37. 🔍 23% Domine Deus... qui repertusDomine Deus... qui repertus
  38. 🔍 23% DesideriumDesiderium
  39. 🔍 23% Super flumina (verses)Super flumina (verses)
  40. 🔍 23% Non habemus hicNon habemus hic
  41. 🔍 23% Os justiOs justi
  42. 🔍 22% Domine Deus... vidi cumDomine Deus... vidi cum
  43. 🔍 22% HolocaustumHolocaustum
  44. 🔍 22% Esto mihiEsto mihi
  45. 🔍 22% Lex Dei eiusLex Dei eius
  46. 🔍 22% Beata gensBeata gens
  47. 🔍 22% Tota formosaTota formosa
  48. 🔍 22% Veni sponsa ChristiVeni sponsa Christi
  49. 🔍 22% Dulcis et rectusDulcis et rectus
  50. 🔍 22% Qui timetisQui timetis
  51. 🔍 22% Tu gloria JerusalemTu gloria Jerusalem
  52. 🔍 22% Si ambulemSi ambulem
  53. 🔍 22% Non habemus hicNon habemus hic
  54. 🔍 22% MementoteMementote
  55. 🔍 22% Misereris omniumMisereris omnium
  56. 🔍 22% Vindica DomineVindica Domine
  57. 🔍 21% Lex Dei (Tempus Paschale)Lex Dei (Tempus Paschale)
  58. 🔍 21% Sapientia aedificavitSapientia aedificavit
  59. 🔍 21% Gressus meosGressus meos
  60. 🔍 21% Tu gloriaTu gloria
  61. 🔍 21% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  62. 🔍 21% AnnuntiateAnnuntiate
  63. 🔍 21% Desiderium cordisDesiderium cordis
  64. 🔍 21% Inveni David (St Louis)Inveni David (St Louis)
  65. 🔍 21% Vindica DomineVindica Domine