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 qui a PatreSpiritus qui a Patre
  2. 🔍 75% Spiritus quiSpiritus qui
  3. 🔍 75% Spiritus qui a PatreSpiritus qui a Patre
  4. 🔍 72% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  5. 🔍 64% Spiritus qui a PatreSpiritus qui a Patre
  6. 🔍 62% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  7. 🔍 60% Spiritus quiSpiritus qui
  8. 🔍 59% Spiritus quiSpiritus qui
  9. 🔍 53% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  10. 🔍 53% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 53% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 52% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 52% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  14. 🔍 51% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 51% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 51% Spiritus SanctusSpiritus Sanctus
  17. 🔍 48% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  18. 🔍 48% AlleluiaAlleluia
  19. 🔍 48% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  20. 🔍 48% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  21. 🔍 47% Alleluia Lapis revolutusAlleluia Lapis revolutus
  22. 🔍 47% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  23. 🔍 47% Puer natus in BethlehemPuer natus in Bethlehem
  24. 🔍 46% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  25. 🔍 46% Spiritus SanctusSpiritus Sanctus
  26. 🔍 45% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 45% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 45% Alleluia Omnes GentesAlleluia Omnes Gentes
  29. 🔍 44% Gustate et videteGustate et videte
  30. 🔍 43% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  31. 🔍 43% AccipiteAccipite
  32. 🔍 43% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  33. 🔍 43% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  34. 🔍 43% Omnes GentesOmnes Gentes
  35. 🔍 42% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  36. 🔍 42% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  37. 🔍 42% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  38. 🔍 42% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  39. 🔍 42% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  40. 🔍 42% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 42% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  42. 🔍 42% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  43. 🔍 42% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  44. 🔍 42% Spiritus SanctusSpiritus Sanctus
  45. 🔍 42% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  46. 🔍 41% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  47. 🔍 41% Spiritus ParaclitusSpiritus Paraclitus
  48. 🔍 41% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  49. 🔍 41% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  50. 🔍 41% AlleluiaAlleluia
  51. 🔍 41% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  52. 🔍 40% Cum venerit ParaclitusCum venerit Paraclitus
  53. 🔍 40% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  54. 🔍 40% Alleluia. Dom. LaudAlleluia. Dom. Laud
  55. 🔍 40% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  56. 🔍 40% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  57. 🔍 40% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  58. 🔍 40% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  59. 🔍 40% AlleluiaAlleluia
  60. 🔍 40% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  61. 🔍 39% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  62. 🔍 39% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  63. 🔍 39% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  64. 🔍 39% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  65. 🔍 39% Spiritus DominiSpiritus Domini