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% Erit vobisErit vobis
  2. 🔍 59% Erit vobisErit vobis
  3. 🔍 53% Erit vobisErit vobis
  4. 🔍 45% Erit vobisErit vobis
  5. 🔍 36% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  6. 🔍 35% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 35% AlleluiaAlleluia
  8. 🔍 35% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 34% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  10. 🔍 34% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  11. 🔍 34% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  12. 🔍 34% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  13. 🔍 34% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  14. 🔍 34% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 33% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  16. 🔍 33% Alleluia Omnes GentesAlleluia Omnes Gentes
  17. 🔍 32% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  18. 🔍 32% Alleluia (ant.)Alleluia (ant.)
  19. 🔍 32% Alleluia (ant.)Alleluia (ant.)
  20. 🔍 32% Quasi modoQuasi modo
  21. 🔍 31% Eduxit eosEduxit eos
  22. 🔍 31% Omnes GentesOmnes Gentes
  23. 🔍 31% ResurrexiResurrexi
  24. 🔍 31% Puer natus in BethlehemPuer natus in Bethlehem
  25. 🔍 31% Quasi modoQuasi modo
  26. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  27. 🔍 30% In medio EcclesiaeIn medio Ecclesiae
  28. 🔍 30% ResurrexiResurrexi
  29. 🔍 30% AccipiteAccipite
  30. 🔍 30% Misericordia DominiMisericordia Domini
  31. 🔍 30% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  32. 🔍 30% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  33. 🔍 30% Eduxit eosEduxit eos
  34. 🔍 30% Quasi modoQuasi modo
  35. 🔍 29% AccipiteAccipite
  36. 🔍 29% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  37. 🔍 29% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  38. 🔍 29% AlleluiaAlleluia
  39. 🔍 29% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  40. 🔍 29% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  41. 🔍 29% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  42. 🔍 29% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  43. 🔍 28% ModicumModicum
  44. 🔍 28% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  45. 🔍 28% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  46. 🔍 28% ResurrexiResurrexi
  47. 🔍 28% Gustate et videteGustate et videte
  48. 🔍 28% ResurrexiResurrexi
  49. 🔍 28% ModicumModicum
  50. 🔍 28% Misericordia DominiMisericordia Domini
  51. 🔍 28% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  52. 🔍 28% AmbulateAmbulate
  53. 🔍 28% Protexisti meProtexisti me
  54. 🔍 28% Misericordia DominiMisericordia Domini
  55. 🔍 28% AmbulateAmbulate
  56. 🔍 27% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  57. 🔍 27% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  58. 🔍 27% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  59. 🔍 27% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  60. 🔍 27% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  61. 🔍 27% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  62. 🔍 27% Lux perpetuaLux perpetua
  63. 🔍 27% Cantate DominoCantate Domino
  64. 🔍 27% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  65. 🔍 27% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)