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% Ita Missa Est...AlleluiaIta Missa Est...Alleluia
  2. 🔍 39% AlleluiaAlleluia
  3. 🔍 36% Salus et gloriaSalus et gloria
  4. 🔍 35% Cantemus cuncti melodumCantemus cuncti melodum
  5. 🔍 34% Alleluia alleluia alleluia (Secunda T.P. in II Nocturno)Alleluia alleluia alleluia (Secunda T.P. in II Nocturno)
  6. 🔍 34% Alleluia alleluia alleluia (Sexta T.P. in II Nocturno)Alleluia alleluia alleluia (Sexta T.P. in II Nocturno)
  7. 🔍 34% Alleluia alleluia alleluia (Tertia T.P. in I Nocturno)Alleluia alleluia alleluia (Tertia T.P. in I Nocturno)
  8. 🔍 33% Alleluia alleluia alleluia (Tertia T.P. in III Nocturno)Alleluia alleluia alleluia (Tertia T.P. in III Nocturno)
  9. 🔍 33% Alleluia alleluia alleluia (Sexta T.P. in III Nocturno)Alleluia alleluia alleluia (Sexta T.P. in III Nocturno)
  10. 🔍 33% Alleluia alleluia alleluia (Sabbato T.P. in II Nocturno)Alleluia alleluia alleluia (Sabbato T.P. in II Nocturno)
  11. 🔍 33% Alleluia alleluia alleluia (Secunda T.P. in III Nocturno)Alleluia alleluia alleluia (Secunda T.P. in III Nocturno)
  12. 🔍 33% Alleluia alleluiaAlleluia alleluia
  13. 🔍 33% Alleluia alleluia alleluia (Quarta T.P. in III Nocturno)Alleluia alleluia alleluia (Quarta T.P. in III Nocturno)
  14. 🔍 33% Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)
  15. 🔍 32% Alleluia alleluia alleluia (Secunda T.P. in I Nocturno)Alleluia alleluia alleluia (Secunda T.P. in I Nocturno)
  16. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  17. 🔍 32% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  18. 🔍 32% Alleluia (Monday P. T. at Lauds) Alleluia (Monday P. T. at Lauds)
  19. 🔍 32% Alleluia alleluia alleluia (Tertia T.P. in II Nocturno)Alleluia alleluia alleluia (Tertia T.P. in II Nocturno)
  20. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  21. 🔍 32% Ite nuntiateIte nuntiate
  22. 🔍 32% Ite in pace, alleluia (Ad Laudes)Ite in pace, alleluia (Ad Laudes)
  23. 🔍 32% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  24. 🔍 32% Alleluia alleluia alleluia (Sabbato T.P. in III Nocturno)Alleluia alleluia alleluia (Sabbato T.P. in III Nocturno)
  25. 🔍 31% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  26. 🔍 31% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  27. 🔍 31% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  28. 🔍 31% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  29. 🔍 31% AlleluiaAlleluia
  30. 🔍 30% Puer natus in BethlehemPuer natus in Bethlehem
  31. 🔍 30% Alleluia alleluia alleluia (Quarta T.P. In I Nocturno)Alleluia alleluia alleluia (Quarta T.P. In I Nocturno)
  32. 🔍 30% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  33. 🔍 29% Aleluia (T. N. E.S.)Aleluia (T. N. E.S.)
  34. 🔍 29% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  35. 🔍 29% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  36. 🔍 29% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  37. 🔍 29% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  38. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  39. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  40. 🔍 28% Omnes GentesOmnes Gentes
  41. 🔍 28% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  42. 🔍 28% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  43. 🔍 28% Alleluia Lapis revolutusAlleluia Lapis revolutus
  44. 🔍 28% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  45. 🔍 28% Aleluia (T.A. M. I)Aleluia (T.A. M. I)
  46. 🔍 27% Alleluia Omnes GentesAlleluia Omnes Gentes
  47. 🔍 27% Alleluia panisAlleluia panis
  48. 🔍 27% Ite in pace, alleluia (Ad Vesperas)Ite in pace, alleluia (Ad Vesperas)
  49. 🔍 27% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  50. 🔍 27% Alleluia (A)Alleluia (A)
  51. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  52. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  53. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  54. 🔍 26% Exsurgat DeusExsurgat Deus
  55. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  56. 🔍 26% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  57. 🔍 26% Salus et gloriaSalus et gloria
  58. 🔍 26% Alleluia lapis revolutus estAlleluia lapis revolutus est
  59. 🔍 26% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  60. 🔍 26% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  61. 🔍 26% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  62. 🔍 26% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  63. 🔍 26% Salus et gloria - mode IVSalus et gloria - mode IV
  64. 🔍 26% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  65. 🔍 25% Salus et gloriaSalus et gloria