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% Erat autem aspectusErat autem aspectus
  2. 🔍 81% Erat autem aspectusErat autem aspectus
  3. 🔍 67% Erat autemErat autem
  4. 🔍 66% Erat autemErat autem
  5. 🔍 53% Erat autem aspectusErat autem aspectus
  6. 🔍 39% Resplenduit facies ejusResplenduit facies ejus
  7. 🔍 39% Resplenduit faciesResplenduit facies
  8. 🔍 33% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  9. 🔍 31% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  10. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 31% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  12. 🔍 30% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  13. 🔍 30% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  14. 🔍 30% AlleluiaAlleluia
  15. 🔍 30% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  16. 🔍 29% Sancti tui DomineSancti tui Domine
  17. 🔍 29% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 29% Alleluia Lapis revolutusAlleluia Lapis revolutus
  19. 🔍 29% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  20. 🔍 29% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  21. 🔍 29% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  22. 🔍 29% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  23. 🔍 29% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  24. 🔍 29% Sancti tui DomineSancti tui Domine
  25. 🔍 28% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  26. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 28% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  29. 🔍 28% Resplenduit facies eiusResplenduit facies eius
  30. 🔍 28% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  31. 🔍 27% Vestimentum tuumVestimentum tuum
  32. 🔍 27% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  33. 🔍 27% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  34. 🔍 27% Prae timore autemPrae timore autem
  35. 🔍 27% Prae timore autemPrae timore autem
  36. 🔍 27% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  37. 🔍 27% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  38. 🔍 27% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  39. 🔍 27% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  40. 🔍 27% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  41. 🔍 27% ResplenduitResplenduit
  42. 🔍 26% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  43. 🔍 26% Respondens autem AngelusRespondens autem Angelus
  44. 🔍 26% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  45. 🔍 26% Vestimentum tuumVestimentum tuum
  46. 🔍 26% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  47. 🔍 26% Factus estFactus est
  48. 🔍 26% Alleluia (T. P. Laud. Sabb.)Alleluia (T. P. Laud. Sabb.)
  49. 🔍 26% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  50. 🔍 26% Alleluia omnes de SabaAlleluia omnes de Saba
  51. 🔍 26% Alleluia Faciem tuamAlleluia Faciem tuam
  52. 🔍 26% Alleluia panisAlleluia panis
  53. 🔍 26% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  54. 🔍 26% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  55. 🔍 25% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  56. 🔍 25% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  57. 🔍 25% Puer natus in BethlehemPuer natus in Bethlehem
  58. 🔍 25% Alleluia LaudateAlleluia Laudate
  59. 🔍 25% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  60. 🔍 25% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  61. 🔍 25% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  62. 🔍 25% Gustate et videteGustate et videte
  63. 🔍 25% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  64. 🔍 25% Alleluia Omnes GentesAlleluia Omnes Gentes
  65. 🔍 25% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)