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% Laetabitur justusLaetabitur justus
  2. 🔍 53% Laetamini in DominoLaetamini in Domino
  3. 🔍 47% Laetabitur justusLaetabitur justus
  4. 🔍 44% Laetabitur justus (Com.)Laetabitur justus (Com.)
  5. 🔍 35% Laetabitur (II)Laetabitur (II)
  6. 🔍 35% Ecce sic benediceturEcce sic benedicetur
  7. 🔍 33% Laetabitur justusLaetabitur justus
  8. 🔍 30% Domine Deus... qui repertusDomine Deus... qui repertus
  9. 🔍 29% Domine Deus... vidi cumDomine Deus... vidi cum
  10. 🔍 28% Laetabitur justusLaetabitur justus
  11. 🔍 28% HolocaustumHolocaustum
  12. 🔍 27% Cantate DominoCantate Domino
  13. 🔍 27% Non habemus hicNon habemus hic
  14. 🔍 27% Laetabitur (I)Laetabitur (I)
  15. 🔍 27% In virtute tuaIn virtute tua
  16. 🔍 26% Domus meaDomus mea
  17. 🔍 26% Laetabitur justusLaetabitur justus
  18. 🔍 26% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  19. 🔍 25% Candidi facti suntCandidi facti sunt
  20. 🔍 25% Cantate DominoCantate Domino
  21. 🔍 25% Emitte SpiritumEmitte Spiritum
  22. 🔍 24% Laetabitur justusLaetabitur justus
  23. 🔍 24% Domine non adspicias (Resp.)Domine non adspicias (Resp.)
  24. 🔍 24% Misericordia DominiMisericordia Domini
  25. 🔍 23% Emitte Agnum Domine (Resp.)Emitte Agnum Domine (Resp.)
  26. 🔍 23% Domine Dominus nosterDomine Dominus noster
  27. 🔍 23% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  28. 🔍 23% Tua est potentiaTua est potentia
  29. 🔍 23% Ingrediente DominoIngrediente Domino
  30. 🔍 23% AmbulateAmbulate
  31. 🔍 23% Sponso sponsa!Sponso sponsa!
  32. 🔍 23% Honora DominumHonora Dominum
  33. 🔍 23% Sancta et immaculataSancta et immaculata
  34. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  35. 🔍 23% Cantate DominoCantate Domino
  36. 🔍 23% Caritas Dei... nostris alleluiaCaritas Dei... nostris alleluia
  37. 🔍 22% Adjutor et protectorAdjutor et protector
  38. 🔍 22% EmendemusEmendemus
  39. 🔍 22% ConfitebunturConfitebuntur
  40. 🔍 22% Alleluia (mode 8)Alleluia (mode 8)
  41. 🔍 22% AlleluiaAlleluia
  42. 🔍 22% Repleti sunt omnesRepleti sunt omnes
  43. 🔍 22% Alleluia (ant.)Alleluia (ant.)
  44. 🔍 22% Alleluia (ant.)Alleluia (ant.)
  45. 🔍 22% Deus misereaturDeus misereatur
  46. 🔍 22% Qui vicerit (Resp.)Qui vicerit (Resp.)
  47. 🔍 22% HolocaustumHolocaustum
  48. 🔍 22% Erue a frameaErue a framea
  49. 🔍 22% Misericordia DominiMisericordia Domini
  50. 🔍 22% Diffusa est (Com.)Diffusa est (Com.)
  51. 🔍 22% Cantate DominoCantate Domino
  52. 🔍 22% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  53. 🔍 22% Justus ut palma... allel.Justus ut palma... allel.
  54. 🔍 22% ManducaveruntManducaverunt
  55. 🔍 22% Sanctificavit (verses)Sanctificavit (verses)
  56. 🔍 22% Erit vobisErit vobis
  57. 🔍 22% Gloria IGloria I
  58. 🔍 22% Dum venerit ParaclitusDum venerit Paraclitus
  59. 🔍 22% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  60. 🔍 21% O vos aethereiO vos aetherei
  61. 🔍 21% Exaudi Domine... tibiExaudi Domine... tibi
  62. 🔍 21% Viderunt te aquaeViderunt te aquae
  63. 🔍 21% Nos autem (all. all.)Nos autem (all. all.)
  64. 🔍 21% Terribilis estTerribilis est
  65. 🔍 21% Repleatur osRepleatur os