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% Requiem (Ant.)Requiem (Ant.)
  2. 🔍 55% Requiem (simple)Requiem (simple)
  3. 🔍 49% Lux aeternaLux aeterna
  4. 🔍 45% Lux aeternaLux aeterna
  5. 🔍 41% Lux aeternaLux aeterna
  6. 🔍 38% Lux aeternaLux aeterna
  7. 🔍 38% Requiem (Officium)Requiem (Officium)
  8. 🔍 37% Requiem (Intr.)Requiem (Intr.)
  9. 🔍 37% RequiemRequiem
  10. 🔍 35% Lux aeternaLux aeterna
  11. 🔍 33% Requiem (Intr.)Requiem (Intr.)
  12. 🔍 33% Requiem (Intr.)Requiem (Intr.)
  13. 🔍 32% Requiem aeternamRequiem aeternam
  14. 🔍 32% Requiem aeternamRequiem aeternam
  15. 🔍 31% Pie Jesu DominePie Jesu Domine
  16. 🔍 30% Lux perpetuaLux perpetua
  17. 🔍 30% Lux perpetuaLux perpetua
  18. 🔍 28% Lux perpetua (T.P.)Lux perpetua (T.P.)
  19. 🔍 27% Tu DomineTu Domine
  20. 🔍 27% Lux perpetua lucebitLux perpetua lucebit
  21. 🔍 27% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  22. 🔍 27% Miserere mihiMiserere mihi
  23. 🔍 27% Clamor meusClamor meus
  24. 🔍 26% Fidelis DominusFidelis Dominus
  25. 🔍 26% RequiemRequiem
  26. 🔍 25% Alleluia faciem tuamAlleluia faciem tuam
  27. 🔍 25% Laetare TeresiaLaetare Teresia
  28. 🔍 25% Jesu Salvator mundiJesu Salvator mundi
  29. 🔍 25% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  30. 🔍 25% Requiem (Resp.)Requiem (Resp.)
  31. 🔍 25% Angelis suisAngelis suis
  32. 🔍 24% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  33. 🔍 24% Ecce Dominus venietEcce Dominus veniet
  34. 🔍 24% RequiemRequiem
  35. 🔍 24% Requiem aeternam (Alleluia)Requiem aeternam (Alleluia)
  36. 🔍 24% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  37. 🔍 24% Oremus omnesOremus omnes
  38. 🔍 24% Lux perpetuaLux perpetua
  39. 🔍 24% Agnus Dei (in Miss. def.)Agnus Dei (in Miss. def.)
  40. 🔍 24% Adaperiat Dominus cor vestrumAdaperiat Dominus cor vestrum
  41. 🔍 24% PerpetuisPerpetuis
  42. 🔍 23% Illumina Domine (I)Illumina Domine (I)
  43. 🔍 23% Averte DomineAverte Domine
  44. 🔍 23% Ave MariaAve Maria
  45. 🔍 23% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  46. 🔍 23% Lux de luceLux de luce
  47. 🔍 23% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  48. 🔍 23% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  49. 🔍 23% Lux aeternaLux aeterna
  50. 🔍 23% Dona eis, DomineDona eis, Domine
  51. 🔍 23% De fructuDe fructu
  52. 🔍 23% Ecce ancillaEcce ancilla
  53. 🔍 23% Alleluia (ant. mode I)Alleluia (ant. mode I)
  54. 🔍 23% Domum tuamDomum tuam
  55. 🔍 23% Benedicam te IBenedicam te I
  56. 🔍 23% Veni Domine et noliVeni Domine et noli
  57. 🔍 23% Beati qui habitantBeati qui habitant
  58. 🔍 22% Jam ChristeJam Christe
  59. 🔍 22% Dominus aedificetDominus aedificet
  60. 🔍 22% In servis suisIn servis suis
  61. 🔍 22% Misericordia et veritasMisericordia et veritas
  62. 🔍 22% Confitebor nominiConfitebor nomini
  63. 🔍 22% Discite a meDiscite a me
  64. 🔍 22% Quam bonusQuam bonus
  65. 🔍 22% Ego sum luxEgo sum lux