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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Iste Confessor (Conf non Pont in Duplicibus Minoribus) (Si non est dies obitus)Iste Confessor (Conf non Pont in Duplicibus Minoribus) (Si non est dies obitus)
  2. πŸ” 97% Iste Confessor (Conf non Pont in Duplicibus Minoribus)Iste Confessor (Conf non Pont in Duplicibus Minoribus)
  3. πŸ” 62% Iste Confessor (Conf Pont in Duplicibus Minoribus)Iste Confessor (Conf Pont in Duplicibus Minoribus)
  4. πŸ” 53% Inclytos ChristiInclytos Christi
  5. πŸ” 53% Plausibus LucaPlausibus Luca
  6. πŸ” 51% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  7. πŸ” 51% Iste Confessor (Conf Pont in Duplicibus Majoribus)Iste Confessor (Conf Pont in Duplicibus Majoribus)
  8. πŸ” 50% Inclitos ChristiInclitos Christi
  9. πŸ” 48% Iste Confessor (Conf. not Bishop)Iste Confessor (Conf. not Bishop)
  10. πŸ” 47% Iste Confessor (Conf. not Bishop) 5Iste Confessor (Conf. not Bishop) 5
  11. πŸ” 46% Iste Confessor (Impr. Stigmatum)Iste Confessor (Impr. Stigmatum)
  12. πŸ” 44% Iste confessor (II)Iste confessor (II)
  13. πŸ” 44% Iste confessor (III)Iste confessor (III)
  14. πŸ” 43% Iste Confessorum Domini (in Feriis quintis)Iste Confessorum Domini (in Feriis quintis)
  15. πŸ” 43% Iste Confessorum Domini (in Dominicis)Iste Confessorum Domini (in Dominicis)
  16. πŸ” 43% Iste Confessor (Conf. Bishop)Iste Confessor (Conf. Bishop)
  17. πŸ” 42% Iste Confessor (Conf. Bishop) 1Iste Confessor (Conf. Bishop) 1
  18. πŸ” 40% Gloria XIGloria XI
  19. πŸ” 39% Iste Confessor (Conf. not Bishop) 7Iste Confessor (Conf. not Bishop) 7
  20. πŸ” 37% PlaΓΊsibus LucaPlaΓΊsibus Luca
  21. πŸ” 37% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  22. πŸ” 37% Iste Confessor (Conf. not Bishop) 8Iste Confessor (Conf. not Bishop) 8
  23. πŸ” 37% Gloria IGloria I
  24. πŸ” 36% Gaude Mater PoloniaGaude Mater Polonia
  25. πŸ” 36% Oratio felixOratio felix
  26. πŸ” 36% Christe caelorum DomineChriste caelorum Domine
  27. πŸ” 36% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  28. πŸ” 36% Iste Confessorum Domini (Stig. Francisci)Iste Confessorum Domini (Stig. Francisci)
  29. πŸ” 35% Iste confessor (I)Iste confessor (I)
  30. πŸ” 34% Ternis ter horisTernis ter horis
  31. πŸ” 34% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  32. πŸ” 34% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  33. πŸ” 34% Iste ConfessorIste Confessor
  34. πŸ” 34% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  35. πŸ” 33% Mente jucundaMente jucunda
  36. πŸ” 33% Nunc Sancte nobis (In Tempore Passionis)Nunc Sancte nobis (In Tempore Passionis)
  37. πŸ” 33% Dei fideDei fide
  38. πŸ” 33% Omni die dic MariaeOmni die dic Mariae
  39. πŸ” 33% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  40. πŸ” 33% Iste Confessor (Conf. Bishop) (another chant) (2)Iste Confessor (Conf. Bishop) (another chant) (2)
  41. πŸ” 33% Summae Deus clementiae septemSummae Deus clementiae septem
  42. πŸ” 33% Qua Christus hora sitiitQua Christus hora sitiit
  43. πŸ” 33% Iste Confessor (Conf. Bishop) 4Iste Confessor (Conf. Bishop) 4
  44. πŸ” 32% Rector potens (In Tempore Passionis)Rector potens (In Tempore Passionis)
  45. πŸ” 32% Rex magneRex magne
  46. πŸ” 32% Summae Deus clemtiaeSummae Deus clemtiae
  47. πŸ” 32% Iste confessor (IIa)Iste confessor (IIa)
  48. πŸ” 32% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  49. πŸ” 32% Iste Confessorum Domini (in Feriis tertiis)Iste Confessorum Domini (in Feriis tertiis)
  50. πŸ” 31% Rerum Deus tenax vigor (In tempore Passionis)Rerum Deus tenax vigor (In tempore Passionis)
  51. πŸ” 31% Summae Deus clementiaeSummae Deus clementiae
  52. πŸ” 31% Nunc Sancte nobis Spiritus (Temp. Passionis)Nunc Sancte nobis Spiritus (Temp. Passionis)
  53. πŸ” 31% Iste Confessorum Domini (ad libitum)Iste Confessorum Domini (ad libitum)
  54. πŸ” 31% Rector potens verax Deus (In tempore Passionis)Rector potens verax Deus (In tempore Passionis)
  55. πŸ” 31% Nunc Sancte nobis (In Festo Septem Dolorum BMV)Nunc Sancte nobis (In Festo Septem Dolorum BMV)
  56. πŸ” 31% Summae Deus clementiae septemSummae Deus clementiae septem
  57. πŸ” 31% Rerum Deus (in Festo Septem Dolorum BMV)Rerum Deus (in Festo Septem Dolorum BMV)
  58. πŸ” 31% Caeli civesCaeli cives
  59. πŸ” 31% Nunc ad coronas pergiteNunc ad coronas pergite
  60. πŸ” 31% Nunc Sancte nobis (In Tempore Passionis)Nunc Sancte nobis (In Tempore Passionis)
  61. πŸ” 31% Rector potens (in Festo Septem Dolorum BMV)Rector potens (in Festo Septem Dolorum BMV)
  62. πŸ” 31% Nunc sancte nobis Spiritus (Septem Dolorum)Nunc sancte nobis Spiritus (Septem Dolorum)
  63. πŸ” 30% Rerum Deus tenax vigor (Septem Dolorum)Rerum Deus tenax vigor (Septem Dolorum)
  64. πŸ” 30% Rector potens verax Deus (Septem Dolorum)Rector potens verax Deus (Septem Dolorum)
  65. πŸ” 30% Superne regum RexSuperne regum Rex