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% PraedicatorumPraedicatorum
  2. 🔍 62% PraedicatorumPraedicatorum
  3. 🔍 30% O lux beata CaelitumO lux beata Caelitum
  4. 🔍 29% O beata MaterO beata Mater
  5. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  6. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  7. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  8. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  9. 🔍 26% ExspectoExspecto
  10. 🔍 26% O gente felix hospitaO gente felix hospita
  11. 🔍 24% Dixit paterfamiliasDixit paterfamilias
  12. 🔍 24% PraedicavitPraedicavit
  13. 🔍 24% O Redemptor O Redemptor
  14. 🔍 23% O RedemptorO Redemptor
  15. 🔍 23% Invenit HyacinthusInvenit Hyacinthus
  16. 🔍 23% Dignus es DomineDignus es Domine
  17. 🔍 23% Illumina nosIllumina nos
  18. 🔍 23% Det tibi DeusDet tibi Deus
  19. 🔍 23% Aeterne sol qui lumineAeterne sol qui lumine
  20. 🔍 23% Alleluia confiteminiAlleluia confitemini
  21. 🔍 23% Deus tuorum II Cl.Deus tuorum II Cl.
  22. 🔍 22% Pii temperentiaPii temperentia
  23. 🔍 22% Isti viventes in carneIsti viventes in carne
  24. 🔍 22% Mente jucundaMente jucunda
  25. 🔍 22% Omnes populiOmnes populi
  26. 🔍 22% Quia devotis laudibusQuia devotis laudibus
  27. 🔍 22% Benedictus es Domine DeusBenedictus es Domine Deus
  28. 🔍 22% Magnus praecoMagnus praeco
  29. 🔍 22% Fac Domine judiciumFac Domine judicium
  30. 🔍 22% Benedictus esBenedictus es
  31. 🔍 21% EgregiusEgregius
  32. 🔍 21% Te beata sponsa ChristiTe beata sponsa Christi
  33. 🔍 21% Respexit Dominus (II)Respexit Dominus (II)
  34. 🔍 21% Quo abiitQuo abiit
  35. 🔍 21% Quem quaeritis in praesepioQuem quaeritis in praesepio
  36. 🔍 21% In virtute tuaIn virtute tua
  37. 🔍 21% Exsultat gaudioExsultat gaudio
  38. 🔍 21% Quem quaeritis in praesepioQuem quaeritis in praesepio
  39. 🔍 21% Gloriose PaterGloriose Pater
  40. 🔍 21% Quomodo fiet istudQuomodo fiet istud
  41. 🔍 21% Ex odorisEx odoris
  42. 🔍 21% Celsa potestasCelsa potestas
  43. 🔍 21% Ave Virgo optimaAve Virgo optima
  44. 🔍 21% Veni Creator SpiritusVeni Creator Spiritus
  45. 🔍 21% Sancti tuiSancti tui
  46. 🔍 21% Prostratus estProstratus est
  47. 🔍 21% AccessistisAccessistis
  48. 🔍 21%
  49. 🔍 20% Ne derelinquas meNe derelinquas me
  50. 🔍 20% Audi benigne Conditor Audi benigne Conditor
  51. 🔍 20% Dominus qui eripuitDominus qui eripuit
  52. 🔍 20% Salus nostraSalus nostra
  53. 🔍 20% Te gloriosus (Ant)Te gloriosus (Ant)
  54. 🔍 20% Hymnus Te DeumHymnus Te Deum
  55. 🔍 20% Audi benigne conditorAudi benigne conditor
  56. 🔍 20% Spiritus Domini... praedicareSpiritus Domini... praedicare
  57. 🔍 20% Benedicta es tu (II)Benedicta es tu (II)
  58. 🔍 20% Ego sumEgo sum
  59. 🔍 20% Deo canamusDeo canamus
  60. 🔍 20% Benedictus esBenedictus es
  61. 🔍 20% Antequam comedamAntequam comedam
  62. 🔍 20% Iam lucis orto sidere Iam lucis orto sidere
  63. 🔍 20% Cum autem complacuitCum autem complacuit
  64. 🔍 20% Deus tuorum I Cl.Deus tuorum I Cl.
  65. 🔍 20% Audi benigne ConditorAudi benigne Conditor