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% Spiritus ubi vultSpiritus ubi vult
  2. 🔍 59% Spiritus ubiSpiritus ubi
  3. 🔍 59% Spiritus ubiSpiritus ubi
  4. 🔍 58% Spiritus ubi vultSpiritus ubi vult
  5. 🔍 48% Spiritus ubi vult ... sic estSpiritus ubi vult ... sic est
  6. 🔍 44% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  7. 🔍 44% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 44% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  9. 🔍 44% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  10. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 44% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  12. 🔍 43% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 41% AlleluiaAlleluia
  14. 🔍 41% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  15. 🔍 40% Puer natus in BethlehemPuer natus in Bethlehem
  16. 🔍 40% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  17. 🔍 40% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  18. 🔍 40% Alleluia Lapis revolutusAlleluia Lapis revolutus
  19. 🔍 40% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  20. 🔍 38% Alleluia Omnes GentesAlleluia Omnes Gentes
  21. 🔍 38% Spiritus qui a PatreSpiritus qui a Patre
  22. 🔍 38% Alleluia (ant.)Alleluia (ant.)
  23. 🔍 38% Alleluia (ant.)Alleluia (ant.)
  24. 🔍 37% Spiritus SanctusSpiritus Sanctus
  25. 🔍 37% Gustate et videteGustate et videte
  26. 🔍 37% ModicumModicum
  27. 🔍 37% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  28. 🔍 37% Spiritus quiSpiritus qui
  29. 🔍 37% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  30. 🔍 36% Omnes GentesOmnes Gentes
  31. 🔍 36% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  32. 🔍 36% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  33. 🔍 36% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 36% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  35. 🔍 36% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  36. 🔍 36% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  37. 🔍 35% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  38. 🔍 35% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  39. 🔍 35% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  40. 🔍 35% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 35% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  42. 🔍 35% Pacem meam... alleluiaPacem meam... alleluia
  43. 🔍 35% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  44. 🔍 35% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  45. 🔍 35% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  46. 🔍 35% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  47. 🔍 35% Protexisti meProtexisti me
  48. 🔍 34% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  49. 🔍 34% Spiritus SanctusSpiritus Sanctus
  50. 🔍 34% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  51. 🔍 33% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  52. 🔍 33% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  53. 🔍 33% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  54. 🔍 33% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  55. 🔍 33% AlleluiaAlleluia
  56. 🔍 33% Alleluia. Dom. LaudAlleluia. Dom. Laud
  57. 🔍 33% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 33% AlleluiaAlleluia
  59. 🔍 33% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  60. 🔍 32% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  61. 🔍 32% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  62. 🔍 32% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  63. 🔍 32% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  64. 🔍 32% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  65. 🔍 32% Spiritus DominiSpiritus Domini