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% Ex SionEx Sion
  2. 🔍 68% Ex SionEx Sion
  3. 🔍 34% Tollite HostiasTollite Hostias
  4. 🔍 31% Ex Sion speciesEx Sion species
  5. 🔍 30% Ex Sion speciesEx Sion species
  6. 🔍 28% Congregate illiCongregate illi
  7. 🔍 27% AlleluiaAlleluia
  8. 🔍 27% Caro mea vereCaro mea vere
  9. 🔍 26% CaligaveruntCaligaverunt
  10. 🔍 25% Adoro te devoteAdoro te devote
  11. 🔍 25% Germinaverunt campiGerminaverunt campi
  12. 🔍 24% Oculi omniumOculi omnium
  13. 🔍 24% TradideruntTradiderunt
  14. 🔍 24% Sion noli timereSion noli timere
  15. 🔍 24% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  16. 🔍 23% Passio DNJC secundum JoannemPassio DNJC secundum Joannem
  17. 🔍 23% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  18. 🔍 23% Credo IICredo II
  19. 🔍 23% Ex Sion speciesEx Sion species
  20. 🔍 23% Credo IIICredo III
  21. 🔍 23% Credo IIICredo III
  22. 🔍 22% Iste confessor (III)Iste confessor (III)
  23. 🔍 22% De Sion... quiDe Sion... qui
  24. 🔍 22% Congregate illiCongregate illi
  25. 🔍 22% Iste confessor (II)Iste confessor (II)
  26. 🔍 22% Omnis pulchritudoOmnis pulchritudo
  27. 🔍 22% Praefatio ferialis de S. BenedictoPraefatio ferialis de S. Benedicto
  28. 🔍 22% Sion renovaberisSion renovaberis
  29. 🔍 21% Eram quasi agnusEram quasi agnus
  30. 🔍 21% Salve Pater SalvatorisSalve Pater Salvatoris
  31. 🔍 21% Sion renovaberisSion renovaberis
  32. 🔍 21% Mittat vobisMittat vobis
  33. 🔍 21% Adversum meAdversum me
  34. 🔍 21% Sacerdotes ejusSacerdotes ejus
  35. 🔍 21% SenioresSeniores
  36. 🔍 21% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  37. 🔍 21% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A
  38. 🔍 21% Sepulto DominoSepulto Domino
  39. 🔍 21% De Sion veniet quiDe Sion veniet qui
  40. 🔍 21% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  41. 🔍 21% Deus in loco sanctoDeus in loco sancto
  42. 🔍 20% Credo in Deum IIICredo in Deum III
  43. 🔍 20% In illo tempore: Cum appropinquassetIn illo tempore: Cum appropinquasset
  44. 🔍 20% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  45. 🔍 20% Sion noli timereSion noli timere
  46. 🔍 20% AcceptabisAcceptabis
  47. 🔍 20% Et omnes AngeliEt omnes Angeli
  48. 🔍 20% Exsultet iam angelicaExsultet iam angelica
  49. 🔍 20% Ave Virgo specieiAve Virgo speciei
  50. 🔍 20% Quomodo sedet solaQuomodo sedet sola
  51. 🔍 20% In principio creavitIn principio creavit
  52. 🔍 20% Gustate (Ad Communionem - Tonus 1)Gustate (Ad Communionem - Tonus 1)
  53. 🔍 20% Deus in locoDeus in loco
  54. 🔍 20% Joseph dum intraretJoseph dum intraret
  55. 🔍 20% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  56. 🔍 20% Regis superni nuntiaRegis superni nuntia
  57. 🔍 20% Miserunt IudaeiMiserunt Iudaei
  58. 🔍 20% Astiterunt regesAstiterunt reges
  59. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  60. 🔍 20% Venite exultemus VIVenite exultemus VI
  61. 🔍 20% Exsultet iam angelicaExsultet iam angelica
  62. 🔍 20% Praefatio ferialis de MartyribusPraefatio ferialis de Martyribus
  63. 🔍 20% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  64. 🔍 20% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  65. 🔍 20% Ecce Dominus veniet et omnes sanctiEcce Dominus veniet et omnes sancti