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% Cantate DominoCantate Domino
  2. 🔍 73% Cantate DominoCantate Domino
  3. 🔍 64% Cantate DominoCantate Domino
  4. 🔍 59% Cantate DominoCantate Domino
  5. 🔍 56% Quasi modoQuasi modo
  6. 🔍 42% In sermonibusIn sermonibus
  7. 🔍 41% Quasi modoQuasi modo
  8. 🔍 41% Misericordia DominiMisericordia Domini
  9. 🔍 41% Cantate DominoCantate Domino
  10. 🔍 41% AlleluiaAlleluia
  11. 🔍 40% Alleluia (ant.)Alleluia (ant.)
  12. 🔍 40% Alleluia (ant.)Alleluia (ant.)
  13. 🔍 40% Aqua sapientiaeAqua sapientiae
  14. 🔍 39% In medio Ecclesiae all. all. all.In medio Ecclesiae all. all. all.
  15. 🔍 39% Quasi modoQuasi modo
  16. 🔍 39% In medio Ecclesiae all. all.In medio Ecclesiae all. all.
  17. 🔍 38% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 38% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  19. 🔍 37% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  20. 🔍 37% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  21. 🔍 36% Quasi modoQuasi modo
  22. 🔍 36% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  23. 🔍 36% Omnes GentesOmnes Gentes
  24. 🔍 36% Amavit eum Dominus (Resp. Br. T.P.)Amavit eum Dominus (Resp. Br. T.P.)
  25. 🔍 36% Desiderium animaeDesiderium animae
  26. 🔍 36% Cantate DominoCantate Domino
  27. 🔍 35% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  28. 🔍 35% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  29. 🔍 35% Alleluia Omnes GentesAlleluia Omnes Gentes
  30. 🔍 35% Puer natus in BethlehemPuer natus in Bethlehem
  31. 🔍 35% Amplificatus est (T.P.)Amplificatus est (T.P.)
  32. 🔍 35% Venite auditeVenite audite
  33. 🔍 35% Alleluia Dominus regnavitAlleluia Dominus regnavit
  34. 🔍 34% Alleluia (mode 8)Alleluia (mode 8)
  35. 🔍 34% Exsurgat DeusExsurgat Deus
  36. 🔍 34% Pascha nostrumPascha nostrum
  37. 🔍 34% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  38. 🔍 34% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  39. 🔍 34% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  40. 🔍 33% AccipiteAccipite
  41. 🔍 33% AccipiteAccipite
  42. 🔍 33% AccipiteAccipite
  43. 🔍 33% Salus et gloriaSalus et gloria
  44. 🔍 33% Verbum caro factum estVerbum caro factum est
  45. 🔍 33% Alleluia Lapis revolutusAlleluia Lapis revolutus
  46. 🔍 33% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  47. 🔍 33% Misericordia DominiMisericordia Domini
  48. 🔍 33% Eduxit eosEduxit eos
  49. 🔍 33% Salus et gloria - mode IVSalus et gloria - mode IV
  50. 🔍 33% Gustate et videteGustate et videte
  51. 🔍 33% Protexisti meProtexisti me
  52. 🔍 33% Hodie scietisHodie scietis
  53. 🔍 32% Alleluia Dominus regnavitAlleluia Dominus regnavit
  54. 🔍 32% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  55. 🔍 32% Tenuisti manumTenuisti manum
  56. 🔍 32% Posuisti Domine (Com.)Posuisti Domine (Com.)
  57. 🔍 32% Jubilate DeoJubilate Deo
  58. 🔍 32% Notum fecitNotum fecit
  59. 🔍 32% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  60. 🔍 32% Misericordia DominiMisericordia Domini
  61. 🔍 32% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  62. 🔍 32% Gloria et honore...allel.Gloria et honore...allel.
  63. 🔍 32% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  64. 🔍 32% AlleluiaAlleluia
  65. 🔍 32% In manus tuas (tempore Paschali)In manus tuas (tempore Paschali)