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% Dum praeliareturDum praeliaretur
  2. 🔍 70% Dum praeliaretur MichaelDum praeliaretur Michael
  3. 🔍 65% Dum praeliareturDum praeliaretur
  4. 🔍 65% Dum praeliareturDum praeliaretur
  5. 🔍 41% Dum committeretDum committeret
  6. 🔍 32% Stetit AngelusStetit Angelus
  7. 🔍 24% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  8. 🔍 24% Archangele MichaelArchangele Michael
  9. 🔍 23% Dum sacrum mysteriumDum sacrum mysterium
  10. 🔍 23% Dum sacrum mysteriumDum sacrum mysterium
  11. 🔍 23% Angeli DominiAngeli Domini
  12. 🔍 23% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  13. 🔍 21% Dum sacrum mysteriumDum sacrum mysterium
  14. 🔍 21% Audita est vox infantiumAudita est vox infantium
  15. 🔍 21% De profundisDe profundis
  16. 🔍 21% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  17. 🔍 21% Angelus ArchangelusAngelus Archangelus
  18. 🔍 21% Nonne cor nostrumNonne cor nostrum
  19. 🔍 20% Facta est cum GabrieleFacta est cum Gabriele
  20. 🔍 20% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  21. 🔍 20% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  22. 🔍 20% Regina caeli laetareRegina caeli laetare
  23. 🔍 20% Dum complerenturDum complerentur
  24. 🔍 19% Et ecce vox de nubeEt ecce vox de nube
  25. 🔍 19% Facta est cum AngeloFacta est cum Angelo
  26. 🔍 19% Archangele MichaelArchangele Michael
  27. 🔍 19% Archangele MichaelArchangele Michael
  28. 🔍 19% Dum sacrum mysteriumDum sacrum mysterium
  29. 🔍 19% Nonne cor nostrumNonne cor nostrum
  30. 🔍 19% Angeli Archangeli...caelorumAngeli Archangeli...caelorum
  31. 🔍 19% Missus est Angelus Gabriel (19 Martii)Missus est Angelus Gabriel (19 Martii)
  32. 🔍 19% Archangelus GabrielArchangelus Gabriel
  33. 🔍 19% In Domino justificabiturIn Domino justificabitur
  34. 🔍 19% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  35. 🔍 19% O virgo materO virgo mater
  36. 🔍 19% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  37. 🔍 19% Vox de caelis sonuitVox de caelis sonuit
  38. 🔍 18% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  39. 🔍 18% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  40. 🔍 18% Dum complerenturDum complerentur
  41. 🔍 18% Surrexit ChristusSurrexit Christus
  42. 🔍 18% Suscitavit eam DominusSuscitavit eam Dominus
  43. 🔍 18% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  44. 🔍 18% Et ecce voxEt ecce vox
  45. 🔍 18% Dum complerenturDum complerentur
  46. 🔍 18% Concussum est mare (t.p.)Concussum est mare (t.p.)
  47. 🔍 18% Ingresso ZachariaIngresso Zacharia
  48. 🔍 18% Suscepit DeusSuscepit Deus
  49. 🔍 18% Vox de caelis sonuitVox de caelis sonuit
  50. 🔍 18% Adoramus te ChristeAdoramus te Christe
  51. 🔍 18% Tota pulchra esTota pulchra es
  52. 🔍 18% Archangelus GabrielArchangelus Gabriel
  53. 🔍 18% Fortis enFortis en
  54. 🔍 18% Quaerite DominumQuaerite Dominum
  55. 🔍 17% Alleluia (ant.)Alleluia (ant.)
  56. 🔍 17% Alleluia (ant.)Alleluia (ant.)
  57. 🔍 17% AlleluiaAlleluia
  58. 🔍 17% Factum est silentiumFactum est silentium
  59. 🔍 17% Factum est silentiumFactum est silentium
  60. 🔍 17% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  61. 🔍 17% Gabriel Angelus... Ave.Gabriel Angelus... Ave.
  62. 🔍 17% Benedicta es tu (Ant)Benedicta es tu (Ant)
  63. 🔍 17% Archangele MichaelArchangele Michael
  64. 🔍 17% Et ecce vox de nubeEt ecce vox de nube
  65. 🔍 17% Te splendor et virtusTe splendor et virtus