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% Caelitum JosephCaelitum Joseph
  2. 🔍 41% Coelitum JosephCoelitum Joseph
  3. 🔍 34% Grande RaymundiGrande Raymundi
  4. 🔍 32% Caelitum Joseph decusCaelitum Joseph decus
  5. 🔍 32% O nimis felixO nimis felix
  6. 🔍 31% Caelitum JosephCaelitum Joseph
  7. 🔍 31% Iste quem laetiIste quem laeti
  8. 🔍 31% Ut queant laxisUt queant laxis
  9. 🔍 31% Mente jucundaMente jucunda
  10. 🔍 30% Caelitum Joseph decusCaelitum Joseph decus
  11. 🔍 29% Te Joseph celebrent (II)Te Joseph celebrent (II)
  12. 🔍 28% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  13. 🔍 28% Joseph fili DavidJoseph fili David
  14. 🔍 27% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  15. 🔍 26% Caelitum IosephCaelitum Ioseph
  16. 🔍 26% Te Joseph celebrent (I)Te Joseph celebrent (I)
  17. 🔍 25% Telluris omnes incolaeTelluris omnes incolae
  18. 🔍 25% Te Joseph celebrent (III)Te Joseph celebrent (III)
  19. 🔍 25% Petre sol terrisPetre sol terris
  20. 🔍 25% Gloria XIGloria XI
  21. 🔍 24% Benedicamus Domino (VII)Benedicamus Domino (VII)
  22. 🔍 24% Tantum ergo VITantum ergo VI
  23. 🔍 24% Tantum ergo. IITantum ergo. II
  24. 🔍 24% Quod chorusQuod chorus
  25. 🔍 23% Inclytos ChristiInclytos Christi
  26. 🔍 23% Exsultet iam angelicaExsultet iam angelica
  27. 🔍 23% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  28. 🔍 23% Te Deum PatremTe Deum Patrem
  29. 🔍 23% Petre sol terrisPetre sol terris
  30. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  31. 🔍 23% Te gratulantesTe gratulantes
  32. 🔍 23% Emendemus in meliusEmendemus in melius
  33. 🔍 23% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  34. 🔍 22% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  35. 🔍 22% Iste Confessor (Conf. not Bishop) 5Iste Confessor (Conf. not Bishop) 5
  36. 🔍 22% Iste Confessor (Impr. Stigmatum)Iste Confessor (Impr. Stigmatum)
  37. 🔍 22% Tantum ergo XIIITantum ergo XIII
  38. 🔍 22% Praefatio de Dominicis per annum IVPraefatio de Dominicis per annum IV
  39. 🔍 22% Agnus Dei VAgnus Dei V
  40. 🔍 22% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  41. 🔍 22% Aeterna... Martyrum (II)Aeterna... Martyrum (II)
  42. 🔍 22% In humilitateIn humilitate
  43. 🔍 22% Lauda fidelisLauda fidelis
  44. 🔍 22% Sic Patres vitamSic Patres vitam
  45. 🔍 22% Iste Confessor (Conf. not Bishop)Iste Confessor (Conf. not Bishop)
  46. 🔍 22% Deo canamusDeo canamus
  47. 🔍 22% Te DeumTe Deum
  48. 🔍 22% Benedicamus DominoBenedicamus Domino
  49. 🔍 22% Deus scientiarumDeus scientiarum
  50. 🔍 22% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii
  51. 🔍 22% Gloria IGloria I
  52. 🔍 21% Praefatio solemnis de QuadragesimaPraefatio solemnis de Quadragesima
  53. 🔍 21% Benedicamus Domino (VI)Benedicamus Domino (VI)
  54. 🔍 21% Praefatio de sollemnitate omnium sanctorumPraefatio de sollemnitate omnium sanctorum
  55. 🔍 21% Divinis namqueDivinis namque
  56. 🔍 21% Sancte N.Sancte N.
  57. 🔍 21% Agnus XIVAgnus XIV
  58. 🔍 21% Tantum ergo XVTantum ergo XV
  59. 🔍 21% Nobilem ChristiNobilem Christi
  60. 🔍 21% Tantum ergo.Tantum ergo.
  61. 🔍 21% Benedicamus PatremBenedicamus Patrem
  62. 🔍 21% Omnes sitientesOmnes sitientes
  63. 🔍 21% Praefatio defunctorumPraefatio defunctorum
  64. 🔍 21% O quot undis lacrimarumO quot undis lacrimarum
  65. 🔍 21% Solis o VirgoSolis o Virgo