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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Post partum (All)Post partum (All)
  2. πŸ” 59% Post partumPost partum
  3. πŸ” 44% Post partum (All)Post partum (All)
  4. πŸ” 28% Post partum VirgoPost partum Virgo
  5. πŸ” 27% Post partum (Resp Br)Post partum (Resp Br)
  6. πŸ” 24% Post partumPost partum
  7. πŸ” 24% Post partum VirgoPost partum Virgo
  8. πŸ” 24% Haec est diesHaec est dies
  9. πŸ” 24% De profundisDe profundis
  10. πŸ” 23% Post partum (Off)Post partum (Off)
  11. πŸ” 21% Sancte PauleSancte Paule
  12. πŸ” 21% Juravit DominusJuravit Dominus
  13. πŸ” 21% Post partum (Off)Post partum (Off)
  14. πŸ” 20% O lux et decusO lux et decus
  15. πŸ” 20% In die resurrectionisIn die resurrectionis
  16. πŸ” 19% Rogavi pro teRogavi pro te
  17. πŸ” 19% Inclina cor meumInclina cor meum
  18. πŸ” 19% Regnavit DominusRegnavit Dominus
  19. πŸ” 19% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  20. πŸ” 19% Te splendor et virtusTe splendor et virtus
  21. πŸ” 19% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  22. πŸ” 19% Rex gloriose Martyrum (Alter tonus T. P.)Rex gloriose Martyrum (Alter tonus T. P.)
  23. πŸ” 19% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  24. πŸ” 19% Deus tuorum militum (Alter tonus T. P.)Deus tuorum militum (Alter tonus T. P.)
  25. πŸ” 19% Gaude Maria VirgoGaude Maria Virgo
  26. πŸ” 19% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  27. πŸ” 19% LΓ†ti colentes famulamLΓ†ti colentes famulam
  28. πŸ” 18% Laeti colentes famulumLaeti colentes famulum
  29. πŸ” 18% Sancta DeiSancta Dei
  30. πŸ” 18% Exsultet iam angelicaExsultet iam angelica
  31. πŸ” 18% Christo confixusChristo confixus
  32. πŸ” 18% HolocaustumHolocaustum
  33. πŸ” 18% Exsultet jam AngelicaExsultet jam Angelica
  34. πŸ” 18% Quia eduxi teQuia eduxi te
  35. πŸ” 18% Praefatio solemnis de sancta CrucePraefatio solemnis de sancta Cruce
  36. πŸ” 18% Sancta... semper... allel.Sancta... semper... allel.
  37. πŸ” 18% Decora lux aeternitatisDecora lux aeternitatis
  38. πŸ” 18% Exsurgat DeusExsurgat Deus
  39. πŸ” 18% Exsultet jam AngelicaExsultet jam Angelica
  40. πŸ” 18% Decora lux aeternitatisDecora lux aeternitatis
  41. πŸ” 18% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  42. πŸ” 18% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  43. πŸ” 18% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  44. πŸ” 18% Tibi Redemptor omniumTibi Redemptor omnium
  45. πŸ” 18% Quinque prudentesQuinque prudentes
  46. πŸ” 18% Beate Pastor PetreBeate Pastor Petre
  47. πŸ” 18% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  48. πŸ” 18% Laetare caelum desuperLaetare caelum desuper
  49. πŸ” 18% Sancta... semperSancta... semper
  50. πŸ” 18% Martyr Dei VenantiusMartyr Dei Venantius
  51. πŸ” 18% Rex summe regumRex summe regum
  52. πŸ” 18% Domine Deus... qui repertusDomine Deus... qui repertus
  53. πŸ” 17% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  54. πŸ” 17% Candidi facti suntCandidi facti sunt
  55. πŸ” 17% Beate Pastor PetreBeate Pastor Petre
  56. πŸ” 17% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  57. πŸ” 17% Omnes GentesOmnes Gentes
  58. πŸ” 17% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  59. πŸ” 17% Surrexit Pastor bonusSurrexit Pastor bonus
  60. πŸ” 17% Salus et gloria - mode IVSalus et gloria - mode IV
  61. πŸ” 17% Descendit de caelis DeusDescendit de caelis Deus
  62. πŸ” 17% Domine Deus... vidi cumDomine Deus... vidi cum
  63. πŸ” 17% Juravit DominusJuravit Dominus
  64. πŸ” 17% Praefatio de Dominica Passionis. Dominica in PalmisPraefatio de Dominica Passionis. Dominica in Palmis
  65. πŸ” 17% Praefatio solemnis de AdventuPraefatio solemnis de Adventu