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% Adest... diademaAdest... diadema
  2. 🔍 56% Adest... beatusAdest... beatus
  3. 🔍 54% Adest dies laetitiaeAdest dies laetitiae
  4. 🔍 44% Pie pastorPie pastor
  5. 🔍 41% Pie PaterPie Pater
  6. 🔍 35% Alleluia laudate DominumAlleluia laudate Dominum
  7. 🔍 34% Adest... ThomaAdest... Thoma
  8. 🔍 34% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  9. 🔍 33% Lux perpetuaLux perpetua
  10. 🔍 32% Adest... celebrisAdest... celebris
  11. 🔍 31% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  12. 🔍 31% CollaeteturCollaetetur
  13. 🔍 31% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  14. 🔍 31% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  15. 🔍 31% ModicumModicum
  16. 🔍 31% Aeterno RegiAeterno Regi
  17. 🔍 31% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  18. 🔍 31% Gaude felix materGaude felix mater
  19. 🔍 30% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  20. 🔍 30% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  21. 🔍 30% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  22. 🔍 30% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  23. 🔍 30% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  24. 🔍 30% Alleluia. Dom. LaudAlleluia. Dom. Laud
  25. 🔍 30% Adest dies laetitiae (Aquinas)Adest dies laetitiae (Aquinas)
  26. 🔍 30% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  27. 🔍 30% Alleluia Lapis revolutusAlleluia Lapis revolutus
  28. 🔍 30% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  29. 🔍 29% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  30. 🔍 29% Misericordia DominiMisericordia Domini
  31. 🔍 29% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  32. 🔍 29% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  33. 🔍 29% RaymundusRaymundus
  34. 🔍 29% Alleluia (mode 8)Alleluia (mode 8)
  35. 🔍 29% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  36. 🔍 29% Alleluia (mode 8)Alleluia (mode 8)
  37. 🔍 29% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  38. 🔍 29% Te saeculorum PrincipemTe saeculorum Principem
  39. 🔍 29% Hodie Simon PetrusHodie Simon Petrus
  40. 🔍 29% Hodie Simon PetrusHodie Simon Petrus
  41. 🔍 28% Felix ThomasFelix Thomas
  42. 🔍 28% Hodie completi suntHodie completi sunt
  43. 🔍 28% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  44. 🔍 28% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  45. 🔍 28% Alleluia LaudateAlleluia Laudate
  46. 🔍 28% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  47. 🔍 28% Diadema spineumDiadema spineum
  48. 🔍 28% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  49. 🔍 28% Martyr Dei (I)Martyr Dei (I)
  50. 🔍 27% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  51. 🔍 27% CrucifixusCrucifixus
  52. 🔍 27% Quicumque ChristumQuicumque Christum
  53. 🔍 27% Jesu nostra redemptioJesu nostra redemptio
  54. 🔍 27% Sapientia... miscuitSapientia... miscuit
  55. 🔍 27% Domus meaDomus mea
  56. 🔍 27% Misericordia tuaMisericordia tua
  57. 🔍 27% Vexilla Regis prodeuntVexilla Regis prodeunt
  58. 🔍 27% Si diligitis meSi diligitis me
  59. 🔍 27% LoquebanturLoquebantur
  60. 🔍 27% Diem novae laudisDiem novae laudis
  61. 🔍 27% Tristes erant ApostoliTristes erant Apostoli
  62. 🔍 27% Alleluia Omnes GentesAlleluia Omnes Gentes
  63. 🔍 27% Alleluia Dominus regnavitAlleluia Dominus regnavit
  64. 🔍 26% Gaude Mater EcclesiaGaude Mater Ecclesia
  65. 🔍 26% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I