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 quiSpiritus qui
  2. 🔍 75% Spiritus qui a PatreSpiritus qui a Patre
  3. 🔍 75% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  4. 🔍 74% Spiritus qui a PatreSpiritus qui a Patre
  5. 🔍 68% Spiritus quiSpiritus qui
  6. 🔍 66% Spiritus quiSpiritus qui
  7. 🔍 61% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  8. 🔍 59% Spiritus qui a PatreSpiritus qui a Patre
  9. 🔍 57% Spiritus SanctusSpiritus Sanctus
  10. 🔍 56% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 55% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 55% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  13. 🔍 55% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  14. 🔍 54% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  15. 🔍 54% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 54% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  17. 🔍 51% Spiritus SanctusSpiritus Sanctus
  18. 🔍 51% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  19. 🔍 51% AlleluiaAlleluia
  20. 🔍 50% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  21. 🔍 50% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  22. 🔍 49% Alleluia Lapis revolutusAlleluia Lapis revolutus
  23. 🔍 49% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  24. 🔍 49% Puer natus in BethlehemPuer natus in Bethlehem
  25. 🔍 48% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  26. 🔍 47% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 47% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 47% Alleluia Omnes GentesAlleluia Omnes Gentes
  29. 🔍 47% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  30. 🔍 46% AccipiteAccipite
  31. 🔍 46% Gustate et videteGustate et videte
  32. 🔍 46% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  33. 🔍 45% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  34. 🔍 45% Alleluia alleluiaAlleluia alleluia
  35. 🔍 45% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  36. 🔍 45% Omnes GentesOmnes Gentes
  37. 🔍 45% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  38. 🔍 44% Spiritus SanctusSpiritus Sanctus
  39. 🔍 44% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  40. 🔍 44% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  41. 🔍 44% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  42. 🔍 44% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  43. 🔍 44% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  44. 🔍 44% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  45. 🔍 44% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  46. 🔍 44% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  47. 🔍 44% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  48. 🔍 44% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  49. 🔍 43% Spiritus ParaclitusSpiritus Paraclitus
  50. 🔍 43% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  51. 🔍 43% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  52. 🔍 43% AlleluiaAlleluia
  53. 🔍 43% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  54. 🔍 42% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  55. 🔍 42% Alleluia. Dom. LaudAlleluia. Dom. Laud
  56. 🔍 42% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  57. 🔍 42% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  58. 🔍 42% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  59. 🔍 42% AlleluiaAlleluia
  60. 🔍 41% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  61. 🔍 41% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  62. 🔍 41% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  63. 🔍 41% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  64. 🔍 40% Spiritus DominiSpiritus Domini
  65. 🔍 40% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)