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% Oculis ac manibusOculis ac manibus
  2. 🔍 87% Oculis ac manibusOculis ac manibus
  3. 🔍 77% Oculis ac manibusOculis ac manibus
  4. 🔍 75% Oculis ac manibusOculis ac manibus
  5. 🔍 34% Elevatis manibusElevatis manibus
  6. 🔍 33% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  7. 🔍 32% Oculis ac manibusOculis ac manibus
  8. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 32% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  11. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  12. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 31% Alleluia LaudateAlleluia Laudate
  14. 🔍 31% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  15. 🔍 31% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  16. 🔍 31% Alleluia ConfiteminiAlleluia Confitemini
  17. 🔍 31% Elevatis manibusElevatis manibus
  18. 🔍 30% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  19. 🔍 30% AlleluiaAlleluia
  20. 🔍 30% Puer natus in BethlehemPuer natus in Bethlehem
  21. 🔍 30% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  22. 🔍 30% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  23. 🔍 30% Alleluia Lapis revolutusAlleluia Lapis revolutus
  24. 🔍 30% Elevatis manibusElevatis manibus
  25. 🔍 29% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  26. 🔍 29% Gustate et videteGustate et videte
  27. 🔍 29% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  28. 🔍 29% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  29. 🔍 29% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  30. 🔍 28% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  31. 🔍 28% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  32. 🔍 28% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  33. 🔍 28% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  34. 🔍 28% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  35. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  36. 🔍 28% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  37. 🔍 28% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  38. 🔍 28% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  39. 🔍 28% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  40. 🔍 28% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  41. 🔍 28% Alleluia confiteminiAlleluia confitemini
  42. 🔍 28% Viri GalilaeiViri Galilaei
  43. 🔍 27% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  44. 🔍 27% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  45. 🔍 27% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  46. 🔍 27% Si manseritis in meSi manseritis in me
  47. 🔍 27% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  48. 🔍 27% Et intravit cum illisEt intravit cum illis
  49. 🔍 27% Gloria in excelsisGloria in excelsis
  50. 🔍 27% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  51. 🔍 27% Alleluia Faciem tuamAlleluia Faciem tuam
  52. 🔍 26% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  53. 🔍 26% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  54. 🔍 26% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  55. 🔍 26% Spiritus qui a PatreSpiritus qui a Patre
  56. 🔍 26% In velamento clamabantIn velamento clamabant
  57. 🔍 26% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  58. 🔍 26% Omnes GentesOmnes Gentes
  59. 🔍 26% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  60. 🔍 26% Alleluia Tuus sumAlleluia Tuus sum
  61. 🔍 26% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  62. 🔍 26% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  63. 🔍 26% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  64. 🔍 26% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  65. 🔍 26% Domine si adhucDomine si adhuc