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 justi (Grad.)Os justi (Grad.)
  2. 🔍 69% Os justiOs justi
  3. 🔍 41% Inflammatum estInflammatum est
  4. 🔍 37% Os justiOs justi
  5. 🔍 34% Os justiOs justi
  6. 🔍 33% Beata gensBeata gens
  7. 🔍 32% Os justiOs justi
  8. 🔍 32% Sapientia hujus mundiSapientia hujus mundi
  9. 🔍 32% Lex DeiLex Dei
  10. 🔍 31% Diligite DominumDiligite Dominum
  11. 🔍 31% Qui timetisQui timetis
  12. 🔍 30% Apud Dominum gressusApud Dominum gressus
  13. 🔍 30% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  14. 🔍 29% Inveni DavidInveni David
  15. 🔍 29% Inveni DavidInveni David
  16. 🔍 28% Dulcis et rectusDulcis et rectus
  17. 🔍 27% Os justiOs justi
  18. 🔍 27% Sapientia hujus mundiSapientia hujus mundi
  19. 🔍 27% Miserere mei DeusMiserere mei Deus
  20. 🔍 27% Tota formosaTota formosa
  21. 🔍 27% UniversiUniversi
  22. 🔍 27% Ego dixi DomineEgo dixi Domine
  23. 🔍 27% Esto mihiEsto mihi
  24. 🔍 27% Specie tua (Grad.)Specie tua (Grad.)
  25. 🔍 26% MementoteMementote
  26. 🔍 26% Ego autemEgo autem
  27. 🔍 26% Si ambulemSi ambulem
  28. 🔍 26% Sacerdotes ejus (Grad.)Sacerdotes ejus (Grad.)
  29. 🔍 26% Gaudete cum alleluiaGaudete cum alleluia
  30. 🔍 26% Os justi (Paschal Time)Os justi (Paschal Time)
  31. 🔍 26% Os justi (T.P.)Os justi (T.P.)
  32. 🔍 26% Timete DominumTimete Dominum
  33. 🔍 26% Domine fortitudoDomine fortitudo
  34. 🔍 25% Repleta estRepleta est
  35. 🔍 25% Os justiOs justi
  36. 🔍 25% Os justiOs justi
  37. 🔍 25% Pontifex sacerdosPontifex sacerdos
  38. 🔍 25% SperaSpera
  39. 🔍 25% Sciant gentesSciant gentes
  40. 🔍 25% Bonum est confiteriBonum est confiteri
  41. 🔍 25% Ad DominumAd Dominum
  42. 🔍 25% Super fluminaSuper flumina
  43. 🔍 24% ConsummatusConsummatus
  44. 🔍 24% Fuit homoFuit homo
  45. 🔍 24% DesideriumDesiderium
  46. 🔍 24% Recordare meiRecordare mei
  47. 🔍 24% Ab ortu solisAb ortu solis
  48. 🔍 24% Inveni David (St Louis)Inveni David (St Louis)
  49. 🔍 24% Veni sponsa ChristiVeni sponsa Christi
  50. 🔍 24% Exsultavit ut gigasExsultavit ut gigas
  51. 🔍 24% Desiderium cordisDesiderium cordis
  52. 🔍 24% Jubilate Deo universaJubilate Deo universa
  53. 🔍 23% Os justiOs justi
  54. 🔍 23% IlluminaIllumina
  55. 🔍 23% Prope est DominusPrope est Dominus
  56. 🔍 23% Justorum anime (Grad.)Justorum anime (Grad.)
  57. 🔍 23% Os justiOs justi
  58. 🔍 23% Ecce virgoEcce virgo
  59. 🔍 23% Adducam eosAdducam eos
  60. 🔍 23% Pauperes SionPauperes Sion
  61. 🔍 23% Os justiOs justi
  62. 🔍 22% Timebunt gentesTimebunt gentes
  63. 🔍 22% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  64. 🔍 22% Egredietur virgaEgredietur virga
  65. 🔍 22% Confiteantur tibiConfiteantur tibi