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% Sacerdos magnusSacerdos magnus
  2. 🔍 85% Sacerdos magnusSacerdos magnus
  3. 🔍 58% Sacerdos magnusSacerdos magnus
  4. 🔍 36% Gregorius in vita suaGregorius in vita sua
  5. 🔍 32% Ecce sacerdos magnusEcce sacerdos magnus
  6. 🔍 26% Quasi stellaQuasi stella
  7. 🔍 25% Tu es sacerdosTu es sacerdos
  8. 🔍 23% Quasi arcusQuasi arcus
  9. 🔍 22% Florete... et dateFlorete... et date
  10. 🔍 21% Adaperiat Dominus corAdaperiat Dominus cor
  11. 🔍 21% Juravit DominusJuravit Dominus
  12. 🔍 21% Similabo eumSimilabo eum
  13. 🔍 21% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 21% ConfundanturConfundantur
  15. 🔍 21% Credo VCredo V
  16. 🔍 21% Exsultet jam AngelicaExsultet jam Angelica
  17. 🔍 21% MiseratioMiseratio
  18. 🔍 21% Et si coramEt si coram
  19. 🔍 21% Adaperiat Dominus cor vestrumAdaperiat Dominus cor vestrum
  20. 🔍 20% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  21. 🔍 20% In salutariIn salutari
  22. 🔍 20% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  23. 🔍 20% Venite exultemus DominoVenite exultemus Domino
  24. 🔍 20% Dixit autem MariaDixit autem Maria
  25. 🔍 20% In omnem terramIn omnem terram
  26. 🔍 20% Ego autemEgo autem
  27. 🔍 20% Sacerdos in aeternumSacerdos in aeternum
  28. 🔍 20% Verbum supernum prodiens aVerbum supernum prodiens a
  29. 🔍 20% Christus natus est nobisChristus natus est nobis
  30. 🔍 20% Cum audisset JobCum audisset Job
  31. 🔍 20% Mane surgensMane surgens
  32. 🔍 19% Verbum supernum prodiens a Verbum supernum prodiens a
  33. 🔍 19% Hodie scietisHodie scietis
  34. 🔍 19% Montes GelboeMontes Gelboe
  35. 🔍 19% Unxerunt SalomonemUnxerunt Salomonem
  36. 🔍 19% Sanctificavit DominusSanctificavit Dominus
  37. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  38. 🔍 19% Nos autemNos autem
  39. 🔍 19% Mihi autem absit (Grad.)Mihi autem absit (Grad.)
  40. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  41. 🔍 19% Dominus... plebemDominus... plebem
  42. 🔍 19% Cor meumCor meum
  43. 🔍 19% Propheta magnusPropheta magnus
  44. 🔍 19% Qui meditabiturQui meditabitur
  45. 🔍 19% Refulsit solRefulsit sol
  46. 🔍 19% Diem celebremusDiem celebremus
  47. 🔍 19% Ecce sacerdosEcce sacerdos
  48. 🔍 19% Tu es sacerdos (Paschal Time)Tu es sacerdos (Paschal Time)
  49. 🔍 19% Ite IXIte IX
  50. 🔍 19% Te saeculorum PrincipemTe saeculorum Principem
  51. 🔍 19% Sacrificabo hostiamSacrificabo hostiam
  52. 🔍 19% Audi IsraelAudi Israel
  53. 🔍 19% Legis sacrataeLegis sacratae
  54. 🔍 19% Dicit DominusDicit Dominus
  55. 🔍 19% Magnus sanctus PaulusMagnus sanctus Paulus
  56. 🔍 19% Semel juraviSemel juravi
  57. 🔍 19% Malos male perdetMalos male perdet
  58. 🔍 19% Dixit Jesus discipulisDixit Jesus discipulis
  59. 🔍 19% PrincipesPrincipes
  60. 🔍 19% Nos autem... alleluiaNos autem... alleluia
  61. 🔍 19% Adonai Domine DeusAdonai Domine Deus
  62. 🔍 19% Sapientia aedificavit... miscuitSapientia aedificavit... miscuit
  63. 🔍 19% Recordare VirgoRecordare Virgo
  64. 🔍 19% Magna opera DominiMagna opera Domini
  65. 🔍 19% Videntes stellamVidentes stellam