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 🔍 to find similarities to the given chant.

  1. 🔍 100% Alleluia (Compline of Easter Octave)Alleluia (Compline of Easter Octave)
  2. 🔍 58% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  3. 🔍 55% Alleluia (mode 8)Alleluia (mode 8)
  4. 🔍 54% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 53% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 53% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  7. 🔍 53% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  8. 🔍 53% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  9. 🔍 52% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  10. 🔍 52% Alleluia. (Friday P. T. at Compline)Alleluia. (Friday P. T. at Compline)
  11. 🔍 52% Alleluia. (Wednesday P. T. at Compline)Alleluia. (Wednesday P. T. at Compline)
  12. 🔍 52% Alleluia. (Saturday P. T. at Compline)Alleluia. (Saturday P. T. at Compline)
  13. 🔍 52% Alleluia. (Monday P. T. at Compline)Alleluia. (Monday P. T. at Compline)
  14. 🔍 52% Alleluia. (Thursday P. T. at Compline)Alleluia. (Thursday P. T. at Compline)
  15. 🔍 52% Alleluia. (Tuesday P. T. at Compline)Alleluia. (Tuesday P. T. at Compline)
  16. 🔍 52% AlleluiaAlleluia
  17. 🔍 48% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  18. 🔍 48% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  19. 🔍 48% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  20. 🔍 48% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  21. 🔍 48% Alleluia (ant.)Alleluia (ant.)
  22. 🔍 48% Alleluia (ant.)Alleluia (ant.)
  23. 🔍 48% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  24. 🔍 47% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  25. 🔍 47% Alleluia Lapis revolutusAlleluia Lapis revolutus
  26. 🔍 46% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  27. 🔍 46% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  28. 🔍 45% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  29. 🔍 45% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  30. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  31. 🔍 45% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  32. 🔍 45% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  33. 🔍 45% Alleluia alleluiaAlleluia alleluia
  34. 🔍 44% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  35. 🔍 44% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  36. 🔍 44% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  37. 🔍 44% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  38. 🔍 44% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  39. 🔍 44% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  40. 🔍 44% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  41. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  42. 🔍 43% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  43. 🔍 43% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  44. 🔍 43% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  45. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  46. 🔍 43% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  47. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  48. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  49. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  50. 🔍 42% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  51. 🔍 42% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  52. 🔍 42% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  53. 🔍 42% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  54. 🔍 42% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  55. 🔍 42% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  56. 🔍 42% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  57. 🔍 42% AlleluiaAlleluia
  58. 🔍 42% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  59. 🔍 42% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  60. 🔍 42% Alleluia LaudateAlleluia Laudate
  61. 🔍 42% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  62. 🔍 41% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  63. 🔍 41% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  64. 🔍 41% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  65. 🔍 41% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)