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: 2025-12-20. 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 qui a PatreSpiritus qui a Patre
  3. 🔍 75% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  4. 🔍 74% Spiritus quiSpiritus qui
  5. 🔍 74% Spiritus quiSpiritus qui
  6. 🔍 71% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  7. 🔍 64% Spiritus qui a PatreSpiritus qui a Patre
  8. 🔍 62% Spiritus quiSpiritus qui
  9. 🔍 52% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  10. 🔍 51% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 51% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  12. 🔍 51% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 50% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  14. 🔍 50% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 50% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 47% AlleluiaAlleluia
  17. 🔍 47% Si diligitis meSi diligitis me
  18. 🔍 47% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  19. 🔍 46% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  20. 🔍 46% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  21. 🔍 46% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  22. 🔍 46% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  23. 🔍 46% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  24. 🔍 46% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  25. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  26. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  27. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  29. 🔍 44% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  30. 🔍 44% Spiritus ParaclitusSpiritus Paraclitus
  31. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  32. 🔍 44% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  33. 🔍 43% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 43% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  35. 🔍 43% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  36. 🔍 43% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  37. 🔍 43% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  38. 🔍 42% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  39. 🔍 42% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  40. 🔍 42% Alleluia alleluiaAlleluia alleluia
  41. 🔍 42% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  42. 🔍 42% Gustate et videteGustate et videte
  43. 🔍 42% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  44. 🔍 42% Spiritus SanctusSpiritus Sanctus
  45. 🔍 41% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  46. 🔍 41% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  47. 🔍 41% Spiritus SanctusSpiritus Sanctus
  48. 🔍 41% Alleluia Tuus sumAlleluia Tuus sum
  49. 🔍 41% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  50. 🔍 41% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  51. 🔍 41% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  52. 🔍 41% Omnes GentesOmnes Gentes
  53. 🔍 41% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  54. 🔍 41% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  55. 🔍 41% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  56. 🔍 41% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  57. 🔍 41% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  58. 🔍 41% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  59. 🔍 41% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  60. 🔍 40% Alleluia LaudateAlleluia Laudate
  61. 🔍 40% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  62. 🔍 40% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  63. 🔍 40% Spiritus SanctusSpiritus Sanctus
  64. 🔍 40% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  65. 🔍 39% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)