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% Quem vidistis pastores diciteQuem vidistis pastores dicite
  2. 🔍 83% Quem vidistis pastoresQuem vidistis pastores
  3. 🔍 72% Quem vidistisQuem vidistis
  4. 🔍 71% Quem vidistisQuem vidistis
  5. 🔍 53% Quem vidistisQuem vidistis
  6. 🔍 51% Quem vidistisQuem vidistis
  7. 🔍 45% Pastores dicite quidnam vidistisPastores dicite quidnam vidistis
  8. 🔍 33% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  9. 🔍 31% Quem vidistisQuem vidistis
  10. 🔍 31% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  11. 🔍 30% Gloriosus apparuistiGloriosus apparuisti
  12. 🔍 30% Quem vidistisQuem vidistis
  13. 🔍 29% Exaltata est Virgo MariaExaltata est Virgo Maria
  14. 🔍 28% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  15. 🔍 28% Assumpta est MariaAssumpta est Maria
  16. 🔍 28% Angelus ad pastores aitAngelus ad pastores ait
  17. 🔍 27% Sancti spiritus et animaeSancti spiritus et animae
  18. 🔍 26% Amavit eum Dominus (Resp. Br. T.P.)Amavit eum Dominus (Resp. Br. T.P.)
  19. 🔍 26% Verbum caro factum estVerbum caro factum est
  20. 🔍 26% Angelus ad pastoresAngelus ad pastores
  21. 🔍 26% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  22. 🔍 25% Gustate et videteGustate et videte
  23. 🔍 25% Maria et fluminaMaria et flumina
  24. 🔍 25% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  25. 🔍 25% Gloria et honore...allel.Gloria et honore...allel.
  26. 🔍 25% Alleluia. (Wednesday P. T. at Lauds II)Alleluia. (Wednesday P. T. at Lauds II)
  27. 🔍 25% In velamento clamabantIn velamento clamabant
  28. 🔍 25% Assumpta est Maria ... allel.Assumpta est Maria ... allel.
  29. 🔍 25% Angelorum escaAngelorum esca
  30. 🔍 25% A bimatu et infraA bimatu et infra
  31. 🔍 24% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  32. 🔍 24% Alleluia. (Saturday P. T. at Lauds I)Alleluia. (Saturday P. T. at Lauds I)
  33. 🔍 24% Amplificatus est (T.P.)Amplificatus est (T.P.)
  34. 🔍 24% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  35. 🔍 24% Angelus ad pastoresAngelus ad pastores
  36. 🔍 24% Quem vidistis (Resp.)Quem vidistis (Resp.)
  37. 🔍 24% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  38. 🔍 24% Exaltata est Virgo MariaExaltata est Virgo Maria
  39. 🔍 24% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  40. 🔍 24% Alleluia (mode 8)Alleluia (mode 8)
  41. 🔍 24% Regina caeli laetareRegina caeli laetare
  42. 🔍 24% AlleluiaAlleluia
  43. 🔍 24% Puer natus in BethlehemPuer natus in Bethlehem
  44. 🔍 24% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  45. 🔍 24% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  46. 🔍 24% O radix JesseO radix Jesse
  47. 🔍 24% Lux de luceLux de luce
  48. 🔍 24% Alleluia Lapis revolutusAlleluia Lapis revolutus
  49. 🔍 24% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  50. 🔍 23% Alleluia Omnes GentesAlleluia Omnes Gentes
  51. 🔍 23% Alleluia (mode 8)Alleluia (mode 8)
  52. 🔍 23% Ave Maria...Alleluia (Ant.)Ave Maria...Alleluia (Ant.)
  53. 🔍 23% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  54. 🔍 23% Dixit Mater ejus ad illumDixit Mater ejus ad illum
  55. 🔍 23% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  56. 🔍 23% Ego sum viaEgo sum via
  57. 🔍 23% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  58. 🔍 23% In velamento clamabantIn velamento clamabant
  59. 🔍 23% Spiritus et animaeSpiritus et animae
  60. 🔍 23% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  61. 🔍 23% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  62. 🔍 23% Te gloriosus (Ant)Te gloriosus (Ant)
  63. 🔍 23% Quis ex vobis homoQuis ex vobis homo
  64. 🔍 23% Alleluia. (Wednesday P. T. at Lauds I)Alleluia. (Wednesday P. T. at Lauds I)
  65. 🔍 23% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)