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 ubiSpiritus ubi
  2. 🔍 76% Spiritus ubiSpiritus ubi
  3. 🔍 59% Spiritus ubi vultSpiritus ubi vult
  4. 🔍 52% Spiritus ubi vultSpiritus ubi vult
  5. 🔍 47% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 47% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  8. 🔍 46% AlleluiaAlleluia
  9. 🔍 45% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  10. 🔍 45% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  11. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  12. 🔍 45% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  13. 🔍 44% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  14. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  17. 🔍 42% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  18. 🔍 42% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 42% Puer natus in BethlehemPuer natus in Bethlehem
  20. 🔍 42% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  21. 🔍 41% Gustate et videteGustate et videte
  22. 🔍 41% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  23. 🔍 40% Alleluia. (Friday P. T. at Compline)Alleluia. (Friday P. T. at Compline)
  24. 🔍 40% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  25. 🔍 40% Omnes GentesOmnes Gentes
  26. 🔍 40% Spiritus ubi vult ... sic estSpiritus ubi vult ... sic est
  27. 🔍 38% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  28. 🔍 38% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  29. 🔍 38% Spiritus quiSpiritus qui
  30. 🔍 38% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  31. 🔍 38% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  32. 🔍 38% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  33. 🔍 38% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  34. 🔍 37% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  35. 🔍 37% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  36. 🔍 37% Spiritus SanctusSpiritus Sanctus
  37. 🔍 37% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  38. 🔍 37% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  39. 🔍 37% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  40. 🔍 37% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  41. 🔍 37% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  42. 🔍 37% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  43. 🔍 37% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  44. 🔍 37% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  45. 🔍 36% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  46. 🔍 36% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  47. 🔍 36% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  48. 🔍 36% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  49. 🔍 36% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  50. 🔍 36% Spiritus qui a PatreSpiritus qui a Patre
  51. 🔍 36% Spiritus SanctusSpiritus Sanctus
  52. 🔍 35% Spiritus quiSpiritus qui
  53. 🔍 35% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  54. 🔍 35% Alleluia omnes de SabaAlleluia omnes de Saba
  55. 🔍 35% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  56. 🔍 35% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  57. 🔍 35% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  58. 🔍 35% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  59. 🔍 35% Spiritus SanctusSpiritus Sanctus
  60. 🔍 35% Salus et gloria - mode IVSalus et gloria - mode IV
  61. 🔍 35% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  62. 🔍 35% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  63. 🔍 35% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  64. 🔍 35% Alleluia. Dom. LaudAlleluia. Dom. Laud
  65. 🔍 35% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)