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% Sciant gentesSciant gentes
  2. 🔍 70% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  3. 🔍 64% Sciant gentesSciant gentes
  4. 🔍 45% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  5. 🔍 36% Sciant gentesSciant gentes
  6. 🔍 34% Inflammatum estInflammatum est
  7. 🔍 33% Sciant gentesSciant gentes
  8. 🔍 30% Tota formosaTota formosa
  9. 🔍 30% Inveni David (St Louis)Inveni David (St Louis)
  10. 🔍 30% Miserere mei DeusMiserere mei Deus
  11. 🔍 29% Inveni DavidInveni David
  12. 🔍 29% Inveni DavidInveni David
  13. 🔍 28% Sciant gentesSciant gentes
  14. 🔍 28% Custodi meCustodi me
  15. 🔍 28% Si ambulemSi ambulem
  16. 🔍 27% AnnuntiateAnnuntiate
  17. 🔍 26% ConsummatusConsummatus
  18. 🔍 26% Factus es spes meaFactus es spes mea
  19. 🔍 26% Benedixit te DominusBenedixit te Dominus
  20. 🔍 26% Exsurge... et intendeExsurge... et intende
  21. 🔍 25% Exsurge... et intendeExsurge... et intende
  22. 🔍 25% Concupivit rexConcupivit rex
  23. 🔍 25% Sacerdotes ejus (Grad.)Sacerdotes ejus (Grad.)
  24. 🔍 25% Os justi (Grad.)Os justi (Grad.)
  25. 🔍 25% Nunc ergoNunc ergo
  26. 🔍 25% SperaSpera
  27. 🔍 24% Deus docuistiDeus docuisti
  28. 🔍 24% Confitebor tibi... DeusConfitebor tibi... Deus
  29. 🔍 24% Exsurge Domine DeusExsurge Domine Deus
  30. 🔍 24% Misereris omniumMisereris omnium
  31. 🔍 24% Beata gensBeata gens
  32. 🔍 23% Adjutor in opportunitatibusAdjutor in opportunitatibus
  33. 🔍 23% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  34. 🔍 23% Qui timetisQui timetis
  35. 🔍 23% Domine exaudi... ne avertasDomine exaudi... ne avertas
  36. 🔍 23% Bonum est confiteriBonum est confiteri
  37. 🔍 23% Exaltabo teExaltabo te
  38. 🔍 23% Salvum fac servumSalvum fac servum
  39. 🔍 23% Ipse habetIpse habet
  40. 🔍 23% Ego dixi DomineEgo dixi Domine
  41. 🔍 23% Gloriosus DeusGloriosus Deus
  42. 🔍 23% Exsurge... non praevaleatExsurge... non praevaleat
  43. 🔍 23% Oravi DeumOravi Deum
  44. 🔍 23% Domine exaudi... et clamorDomine exaudi... et clamor
  45. 🔍 23% AnnuntiateAnnuntiate
  46. 🔍 22% Ostende mihiOstende mihi
  47. 🔍 22% AnnuntiateAnnuntiate
  48. 🔍 22% ExsultavitExsultavit
  49. 🔍 22% Specie tua (Grad.)Specie tua (Grad.)
  50. 🔍 22% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  51. 🔍 22% Esto mihiEsto mihi
  52. 🔍 22% CommovistiCommovisti
  53. 🔍 22% Pontifex sacerdosPontifex sacerdos
  54. 🔍 22% Tu gloria JerusalemTu gloria Jerusalem
  55. 🔍 22% In te DomineIn te Domine
  56. 🔍 22% Cantate DominoCantate Domino
  57. 🔍 22% Veni sponsa ChristiVeni sponsa Christi
  58. 🔍 22% Inveni DavidInveni David
  59. 🔍 22% MagnificatMagnificat
  60. 🔍 21% Immittet AngelusImmittet Angelus
  61. 🔍 21% Exaltabo teExaltabo te
  62. 🔍 21% Iubilate Deo universaIubilate Deo universa
  63. 🔍 21% Repleta estRepleta est
  64. 🔍 21% Jubilate Deo universaJubilate Deo universa
  65. 🔍 21% Dulcis et rectusDulcis et rectus