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% O Regem caeliO Regem caeli
  2. 🔍 37% O Regem caeliO Regem caeli
  3. 🔍 35% O Regem caeli (Resp.)O Regem caeli (Resp.)
  4. 🔍 29% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  5. 🔍 29% Inclytos ChristiInclytos Christi
  6. 🔍 27% Te nostra laetisTe nostra laetis
  7. 🔍 27% Iste confessor (III)Iste confessor (III)
  8. 🔍 25% Panis solemnisPanis solemnis
  9. 🔍 25% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  10. 🔍 25% Cohors beata SeraphimCohors beata Seraphim
  11. 🔍 25% Sacris SolemnisSacris Solemnis
  12. 🔍 25% Qui luce splendesQui luce splendes
  13. 🔍 25% Hugo pius pater,Hugo pius pater,
  14. 🔍 25% Relucens inter principesRelucens inter principes
  15. 🔍 25% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  16. 🔍 25% Puer Nobis NasciturPuer Nobis Nascitur
  17. 🔍 25% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  18. 🔍 25% Fortis en praesulFortis en praesul
  19. 🔍 24% Sponso sponsa!Sponso sponsa!
  20. 🔍 24% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  21. 🔍 24% Qui luce splendesQui luce splendes
  22. 🔍 24% Iste confessor (II)Iste confessor (II)
  23. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  24. 🔍 24% Lustris sex qui jam peractisLustris sex qui jam peractis
  25. 🔍 24% Pange lingua... LaureamPange lingua... Lauream
  26. 🔍 24% Iste Confessorum Domini (in Dominicis)Iste Confessorum Domini (in Dominicis)
  27. 🔍 24% Pange lingua... proeliumPange lingua... proelium
  28. 🔍 24% Pange Lingua... ProeliumPange Lingua... Proelium
  29. 🔍 24% Lustra sex qui jamLustra sex qui jam
  30. 🔍 24% Iste Confessor (Conf Pont in Duplicibus Minoribus)Iste Confessor (Conf Pont in Duplicibus Minoribus)
  31. 🔍 24% Dicamus laudes DominoDicamus laudes Domino
  32. 🔍 24% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  33. 🔍 24% Te saeculorum principemTe saeculorum principem
  34. 🔍 23% Apostolorum passio diemApostolorum passio diem
  35. 🔍 23% En acetumEn acetum
  36. 🔍 23% Praeclara qua tu gloriaPraeclara qua tu gloria
  37. 🔍 23% Iste Confessor (Conf. Bishop)Iste Confessor (Conf. Bishop)
  38. 🔍 23% Commune vos apostoliCommune vos apostoli
  39. 🔍 23% Sacris solemniisSacris solemniis
  40. 🔍 23% Credo VIICredo VII
  41. 🔍 23% Benedixit Deum caeliBenedixit Deum caeli
  42. 🔍 23% Gratuletur EcclesiaGratuletur Ecclesia
  43. 🔍 23% Credo ICredo I
  44. 🔍 23% Vexilla ChristusVexilla Christus
  45. 🔍 22% In caelesti hierarchiaIn caelesti hierarchia
  46. 🔍 22% In desertoIn deserto
  47. 🔍 22% Miserere (Ps 50)Miserere (Ps 50)
  48. 🔍 22% Inclitos Christi famulosInclitos Christi famulos
  49. 🔍 22% Implente munus debitumImplente munus debitum
  50. 🔍 22% Doctori gentium!Doctori gentium!
  51. 🔍 22% Novus athletaNovus athleta
  52. 🔍 22% Iste Confessor (Impr. Stigmatum)Iste Confessor (Impr. Stigmatum)
  53. 🔍 22% Exsultet jam AngelicaExsultet jam Angelica
  54. 🔍 22% Iste Confessor (Conf. Bishop) 1Iste Confessor (Conf. Bishop) 1
  55. 🔍 22% O quot undis lacrimarumO quot undis lacrimarum
  56. 🔍 22% Ecce in nubibusEcce in nubibus
  57. 🔍 22% Quid trucesQuid truces
  58. 🔍 22% En acetumEn acetum
  59. 🔍 22% Optatus votis omniumOptatus votis omnium
  60. 🔍 22% Roma Petro GlorieturRoma Petro Glorietur
  61. 🔍 22% Mente jucundaMente jucunda
  62. 🔍 22% Cor arca legem continensCor arca legem continens
  63. 🔍 22% Tibi Redemptor omniumTibi Redemptor omnium
  64. 🔍 22% Dicamus laudes (In festis)Dicamus laudes (In festis)
  65. 🔍 22% Pastores veneruntPastores venerunt