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% Populus acquisitionisPopulus acquisitionis
  2. 🔍 64% Populus acquisitionisPopulus acquisitionis
  3. 🔍 38% Populus acquisitionisPopulus acquisitionis
  4. 🔍 35% Si consurrexistisSi consurrexistis
  5. 🔍 32% Cantate DominoCantate Domino
  6. 🔍 30% Cantate DominoCantate Domino
  7. 🔍 29% Tenuisti manumTenuisti manum
  8. 🔍 28% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  9. 🔍 28% Aqua sapientiaeAqua sapientiae
  10. 🔍 27% Data est mihiData est mihi
  11. 🔍 26% Cantate DominoCantate Domino
  12. 🔍 26% Alleluia Omnes GentesAlleluia Omnes Gentes
  13. 🔍 26% Aqua sapientiaeAqua sapientiae
  14. 🔍 25% AccipiteAccipite
  15. 🔍 25% AccipiteAccipite
  16. 🔍 25% Ingressus RaphaelIngressus Raphael
  17. 🔍 25% Eduxit DominusEduxit Dominus
  18. 🔍 25% Spiritus qui a PatreSpiritus qui a Patre
  19. 🔍 25% AccipiteAccipite
  20. 🔍 25% Cantate DominoCantate Domino
  21. 🔍 25% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  22. 🔍 25% Alleluia (mode 8)Alleluia (mode 8)
  23. 🔍 25% Omnes GentesOmnes Gentes
  24. 🔍 24% Aqua sapientiaeAqua sapientiae
  25. 🔍 24% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  26. 🔍 24% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  27. 🔍 24% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  28. 🔍 24% Qui manducatQui manducat
  29. 🔍 24% AlleluiaAlleluia
  30. 🔍 23% Jubilate DeoJubilate Deo
  31. 🔍 23% Misericordia DominiMisericordia Domini
  32. 🔍 23% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  33. 🔍 23% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  34. 🔍 23% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  35. 🔍 23% Vos qui secutiVos qui secuti
  36. 🔍 23% Mitte manum... alleluiaMitte manum... alleluia
  37. 🔍 23% Ne timeasNe timeas
  38. 🔍 23% Gustate et videteGustate et videte
  39. 🔍 23% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  40. 🔍 23% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  41. 🔍 23% De profundisDe profundis
  42. 🔍 23% Alleluia (mode 8)Alleluia (mode 8)
  43. 🔍 23% Cibavit eos... alleluiaCibavit eos... alleluia
  44. 🔍 23% Spiritus SanctusSpiritus Sanctus
  45. 🔍 23% Protexisti meProtexisti me
  46. 🔍 23% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  47. 🔍 23% Alleluia Lapis revolutusAlleluia Lapis revolutus
  48. 🔍 23% Jacob autemJacob autem
  49. 🔍 23% Data est mihiData est mihi
  50. 🔍 23% Puer natus in BethlehemPuer natus in Bethlehem
  51. 🔍 22% Spiritus quiSpiritus qui
  52. 🔍 22% Exaudi Domine... tibiExaudi Domine... tibi
  53. 🔍 22% Tenuisti manumTenuisti manum
  54. 🔍 22% Exaudi Domine... tibiExaudi Domine... tibi
  55. 🔍 22% Protexisti meProtexisti me
  56. 🔍 22% Cibavit eos... frumenti alleluiaCibavit eos... frumenti alleluia
  57. 🔍 22% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  58. 🔍 22% Jubilate DeoJubilate Deo
  59. 🔍 22% Exsultet caelum (II)Exsultet caelum (II)
  60. 🔍 22% In medio EcclesiaeIn medio Ecclesiae
  61. 🔍 22% Exsurgat DeusExsurgat Deus
  62. 🔍 22% Cantate DominoCantate Domino
  63. 🔍 22% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  64. 🔍 22% Repleti sumusRepleti sumus
  65. 🔍 22% Alleluia confiteminiAlleluia confitemini