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% Anima... liquefactaAnima... liquefacta
  2. 🔍 55% Fortis est ut morsFortis est ut mors
  3. 🔍 50% Elevata estElevata est
  4. 🔍 49% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  5. 🔍 49% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  6. 🔍 48% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  7. 🔍 48% Magna est gloria... allel.Magna est gloria... allel.
  8. 🔍 48% Puer natus in BethlehemPuer natus in Bethlehem
  9. 🔍 48% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  10. 🔍 48% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  11. 🔍 48% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 48% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 48% Data est mihiData est mihi
  14. 🔍 47% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  15. 🔍 47% Ego dilecto meoEgo dilecto meo
  16. 🔍 47% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  17. 🔍 47% Benedictus es DomineBenedictus es Domine
  18. 🔍 47% Sancta... semper... allel.Sancta... semper... allel.
  19. 🔍 46% Notum fecitNotum fecit
  20. 🔍 46% LoquebanturLoquebantur
  21. 🔍 46% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  22. 🔍 46% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  23. 🔍 46% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  24. 🔍 46% Sancta Maria... allel.Sancta Maria... allel.
  25. 🔍 46% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  26. 🔍 45% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  27. 🔍 45% Misericordia tuaMisericordia tua
  28. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  29. 🔍 45% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  30. 🔍 45% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  31. 🔍 45% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  32. 🔍 45% AlleluiaAlleluia
  33. 🔍 45% Magnificate DominumMagnificate Dominum
  34. 🔍 45% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  35. 🔍 45% Verbum caro factum estVerbum caro factum est
  36. 🔍 45% Ipse invocabit meIpse invocabit me
  37. 🔍 45% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  38. 🔍 45% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  39. 🔍 45% Qui me invenerit... allel.Qui me invenerit... allel.
  40. 🔍 45% Ora pro nobis... allel.Ora pro nobis... allel.
  41. 🔍 44% Verbo DominiVerbo Domini
  42. 🔍 44% Exaltabo te... alleluiaExaltabo te... alleluia
  43. 🔍 44% Omnes GentesOmnes Gentes
  44. 🔍 44% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  45. 🔍 44% Repleti suntRepleti sunt
  46. 🔍 44% Sit nomen DominiSit nomen Domini
  47. 🔍 43% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  48. 🔍 43% Omnes de SabaOmnes de Saba
  49. 🔍 43% Salus et gloriaSalus et gloria
  50. 🔍 43% Haec est domus Domini... allel.Haec est domus Domini... allel.
  51. 🔍 43% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  52. 🔍 43% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  53. 🔍 43% Justi autem... allel.Justi autem... allel.
  54. 🔍 43% Alleluia. Dom. LaudAlleluia. Dom. Laud
  55. 🔍 43% Ascendit DeusAscendit Deus
  56. 🔍 43% Nimis honorati sunt... allel.Nimis honorati sunt... allel.
  57. 🔍 43% Deus omnipotensDeus omnipotens
  58. 🔍 42% Ascendit fumus... allel.Ascendit fumus... allel.
  59. 🔍 42% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  60. 🔍 42% Spiritus DominiSpiritus Domini
  61. 🔍 42% Laetamini in Domino... allel.Laetamini in Domino... allel.
  62. 🔍 42% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  63. 🔍 42% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  64. 🔍 42% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  65. 🔍 42% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)