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% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  2. 🔍 70% Sciant gentesSciant gentes
  3. 🔍 68% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  4. 🔍 48% Sciant gentesSciant gentes
  5. 🔍 38% Omnes gentes (Comm.)Omnes gentes (Comm.)
  6. 🔍 38% Omnes gentes (Comm.)Omnes gentes (Comm.)
  7. 🔍 32% Omnes gentes quascumqueOmnes gentes quascumque
  8. 🔍 31% Omnes gentes quascumque (Tonus VI)Omnes gentes quascumque (Tonus VI)
  9. 🔍 30% Os justi (Grad.)Os justi (Grad.)
  10. 🔍 29% AnnuntiateAnnuntiate
  11. 🔍 29% Tota formosaTota formosa
  12. 🔍 29% Miserere mei DeusMiserere mei Deus
  13. 🔍 29% Inflammatum estInflammatum est
  14. 🔍 28% Inveni David (St Louis)Inveni David (St Louis)
  15. 🔍 27% Si ambulemSi ambulem
  16. 🔍 27% Inveni DavidInveni David
  17. 🔍 27% Sciant gentesSciant gentes
  18. 🔍 27% Inveni DavidInveni David
  19. 🔍 26% Custodi meCustodi me
  20. 🔍 26% Factus es spes meaFactus es spes mea
  21. 🔍 26% Sacerdotes ejus (Grad.)Sacerdotes ejus (Grad.)
  22. 🔍 26% Sciant gentesSciant gentes
  23. 🔍 26% Qui timetisQui timetis
  24. 🔍 26% Beata gensBeata gens
  25. 🔍 26% Confitebor tibi... DeusConfitebor tibi... Deus
  26. 🔍 25% Ego dixi DomineEgo dixi Domine
  27. 🔍 25% ConsummatusConsummatus
  28. 🔍 25% SperaSpera
  29. 🔍 25% Deus docuistiDeus docuisti
  30. 🔍 25% Specie tua (Grad.)Specie tua (Grad.)
  31. 🔍 25% Benedixit te DominusBenedixit te Dominus
  32. 🔍 25% Tu gloria JerusalemTu gloria Jerusalem
  33. 🔍 25% Concupivit rexConcupivit rex
  34. 🔍 24% Filii hominumFilii hominum
  35. 🔍 24% AnnuntiateAnnuntiate
  36. 🔍 24% Nunc ergoNunc ergo
  37. 🔍 24% AnnuntiateAnnuntiate
  38. 🔍 24% Veni sponsa ChristiVeni sponsa Christi
  39. 🔍 24% Timebunt gentesTimebunt gentes
  40. 🔍 24% Jubilate Deo universaJubilate Deo universa
  41. 🔍 24% Exsurge... et intendeExsurge... et intende
  42. 🔍 24% Tu gloriaTu gloria
  43. 🔍 23% MagnificatMagnificat
  44. 🔍 23% Te Deum PatremTe Deum Patrem
  45. 🔍 23% Diligite DominumDiligite Dominum
  46. 🔍 23% Pontifex sacerdosPontifex sacerdos
  47. 🔍 23% Cum appropinquaretCum appropinquaret
  48. 🔍 23% Sanctificavit (verses)Sanctificavit (verses)
  49. 🔍 23% Adorabunt eumAdorabunt eum
  50. 🔍 23% Domine exaudi... et clamorDomine exaudi... et clamor
  51. 🔍 23% Salvum fac servumSalvum fac servum
  52. 🔍 23% Oravi DeumOravi Deum
  53. 🔍 23% Ego autemEgo autem
  54. 🔍 23% Dulcis et rectusDulcis et rectus
  55. 🔍 23% Laudate... omnes gentesLaudate... omnes gentes
  56. 🔍 23% Omnes Gentes quascumque (Tonus IV)Omnes Gentes quascumque (Tonus IV)
  57. 🔍 23% Exsurge... et intendeExsurge... et intende
  58. 🔍 23% Bonum est confiteriBonum est confiteri
  59. 🔍 23% Exsurge Domine DeusExsurge Domine Deus
  60. 🔍 23% Dulcis et rectusDulcis et rectus
  61. 🔍 23% Qui timetisQui timetis
  62. 🔍 23% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  63. 🔍 23% Tui sunt caeliTui sunt caeli
  64. 🔍 23% Confitebor Domino cum AlleluiaConfitebor Domino cum Alleluia
  65. 🔍 23% Adjutor in opportunitatibusAdjutor in opportunitatibus