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% Egressus JesusEgressus Jesus
  2. 🔍 72% Egressus JesusEgressus Jesus
  3. 🔍 68% Egressus Jesus secessitEgressus Jesus secessit
  4. 🔍 53% Egressus Iesus secessitEgressus Iesus secessit
  5. 🔍 34% Abiit JesusAbiit Jesus
  6. 🔍 34% Factum est in unaFactum est in una
  7. 🔍 34% Ecce ego JoannesEcce ego Joannes
  8. 🔍 33% Ibat JesusIbat Jesus
  9. 🔍 30% Descendit JesusDescendit Jesus
  10. 🔍 30% Transeunte DominoTranseunte Domino
  11. 🔍 30% Veni Redemptor gentiumVeni Redemptor gentium
  12. 🔍 30% Exsultet iam angelicaExsultet iam angelica
  13. 🔍 29% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  14. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  15. 🔍 29% Beata AgathaBeata Agatha
  16. 🔍 29% In regenerationeIn regeneratione
  17. 🔍 28% Ambulans JesusAmbulans Jesus
  18. 🔍 28% Exiens JesusExiens Jesus
  19. 🔍 28% In ferventisIn ferventis
  20. 🔍 28% Relucens inter principesRelucens inter principes
  21. 🔍 27% Praefatio Paschalis IIPraefatio Paschalis II
  22. 🔍 27% Iesu corona celsiorIesu corona celsior
  23. 🔍 27% Iesu corona celsiorIesu corona celsior
  24. 🔍 27% Iesu corona celsiorIesu corona celsior
  25. 🔍 27% Cohors beata SeraphimCohors beata Seraphim
  26. 🔍 27% Apostolorum passio diemApostolorum passio diem
  27. 🔍 27% Te nostra laetisTe nostra laetis
  28. 🔍 27% Commune vos apostoliCommune vos apostoli
  29. 🔍 27% O MartineO Martine
  30. 🔍 27% Praefatio de Dominicis per annum IIPraefatio de Dominicis per annum II
  31. 🔍 27% Ex more docti mysticoEx more docti mystico
  32. 🔍 27% Annuntiatum est (Resp.)Annuntiatum est (Resp.)
  33. 🔍 26% Ascendit JesusAscendit Jesus
  34. 🔍 26% Exsultet jam AngelicaExsultet jam Angelica
  35. 🔍 26% Jesus... transiensJesus... transiens
  36. 🔍 26% Caecus sedebatCaecus sedebat
  37. 🔍 26% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  38. 🔍 26% Praefatio de Quadragesima IPraefatio de Quadragesima I
  39. 🔍 26% Inclinavit se JesusInclinavit se Jesus
  40. 🔍 26% Laeti colentes famulumLaeti colentes famulum
  41. 🔍 26% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  42. 🔍 26% Stans autem JesusStans autem Jesus
  43. 🔍 26% Stans autem JesusStans autem Jesus
  44. 🔍 26% Regina mundiRegina mundi
  45. 🔍 26% Gloria VIIGloria VII
  46. 🔍 26% Praefatio de Dominica Passionis. Dominica in PalmisPraefatio de Dominica Passionis. Dominica in Palmis
  47. 🔍 26% Miserere (Ps 50)Miserere (Ps 50)
  48. 🔍 26% Ingressus PaulusIngressus Paulus
  49. 🔍 26% Rex glorioseRex gloriose
  50. 🔍 26% Nunc tempus acceptabileNunc tempus acceptabile
  51. 🔍 26% Dixit JesusDixit Jesus
  52. 🔍 26% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  53. 🔍 25% Iam ChristusIam Christus
  54. 🔍 25% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  55. 🔍 25% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  56. 🔍 25% Quicumque Christum quaeritisQuicumque Christum quaeritis
  57. 🔍 25% Rex gloriose martyrumRex gloriose martyrum
  58. 🔍 25% Quid vobis videturQuid vobis videtur
  59. 🔍 25% Te Joseph celebrentTe Joseph celebrent
  60. 🔍 25% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  61. 🔍 25% Unus autem ex illisUnus autem ex illis
  62. 🔍 25% Rex gloriose MartyrumRex gloriose Martyrum
  63. 🔍 25% Hodie completi suntHodie completi sunt
  64. 🔍 25% Jesu nostra redemptioJesu nostra redemptio
  65. 🔍 25% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione