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% Portas caeliPortas caeli
  2. 🔍 55% Portas coeliPortas coeli
  3. 🔍 48% Portas caeliPortas caeli
  4. 🔍 34% Portas caeliPortas caeli
  5. 🔍 30% Benedicite gentesBenedicite gentes
  6. 🔍 30% Panem caeli dedit eisPanem caeli dedit eis
  7. 🔍 27% Panem caeli deditPanem caeli dedit
  8. 🔍 26% Multiplicata suntMultiplicata sunt
  9. 🔍 26% Panem CaeliPanem Caeli
  10. 🔍 26% Vindica DomineVindica Domine
  11. 🔍 26% Oratio meaOratio mea
  12. 🔍 26% Tollite portasTollite portas
  13. 🔍 25% Respice in meRespice in me
  14. 🔍 25% Anima nostraAnima nostra
  15. 🔍 25% Requiem (Resp.)Requiem (Resp.)
  16. 🔍 24% QuotiescumqueQuotiescumque
  17. 🔍 24% Januas caeli aperuitJanuas caeli aperuit
  18. 🔍 24% ExspectansExspectans
  19. 🔍 24% ComedetisComedetis
  20. 🔍 24% SitivitSitivit
  21. 🔍 24% DilexistiDilexisti
  22. 🔍 23% Crux fidelisCrux fidelis
  23. 🔍 23% Laetabitur justusLaetabitur justus
  24. 🔍 23% Misit DominusMisit Dominus
  25. 🔍 23% Intende vociIntende voci
  26. 🔍 23% Cibavit eos... frumentiCibavit eos... frumenti
  27. 🔍 22% Benedictus qui venitBenedictus qui venit
  28. 🔍 22% Domine refugiumDomine refugium
  29. 🔍 22% QuotiescumqueQuotiescumque
  30. 🔍 22% Terribilis estTerribilis est
  31. 🔍 22% Ab occultis meisAb occultis meis
  32. 🔍 22% Justus ut palmaJustus ut palma
  33. 🔍 22% Immittet AngelusImmittet Angelus
  34. 🔍 22% Deus vitam meamDeus vitam meam
  35. 🔍 22% In omnem terramIn omnem terram
  36. 🔍 22% Speciosus... EructavitSpeciosus... Eructavit
  37. 🔍 22% Januas caeli aperuitJanuas caeli aperuit
  38. 🔍 21% CommovistiCommovisti
  39. 🔍 21% Viri GalilaeiViri Galilaei
  40. 🔍 21% Benedicant teBenedicant te
  41. 🔍 21% Attende caelumAttende caelum
  42. 🔍 21% Domine in auxiliumDomine in auxilium
  43. 🔍 21% Hi suntHi sunt
  44. 🔍 21% Ad te DomineAd te Domine
  45. 🔍 21% Confitebor DominoConfitebor Domino
  46. 🔍 21% Cantemus DominoCantemus Domino
  47. 🔍 21% Bonum est confiteriBonum est confiteri
  48. 🔍 21% Exsultabunt sanctiExsultabunt sancti
  49. 🔍 21% Exsurge... fer opemExsurge... fer opem
  50. 🔍 21% Venite adoremusVenite adoremus
  51. 🔍 21% Sicut in holocaustisSicut in holocaustis
  52. 🔍 21% Precatus estPrecatus est
  53. 🔍 21% Excita DomineExcita Domine
  54. 🔍 21% Regina caeli - cantus alterRegina caeli - cantus alter
  55. 🔍 21% Gaudens gaudeboGaudens gaudebo
  56. 🔍 20% Benedicite DominumBenedicite Dominum
  57. 🔍 20% Ostende nobisOstende nobis
  58. 🔍 20% Vinea facta estVinea facta est
  59. 🔍 20% De profundisDe profundis
  60. 🔍 20% Popule meus quid feci (Resp.)Popule meus quid feci (Resp.)
  61. 🔍 20% Precatus estPrecatus est
  62. 🔍 20% Locus isteLocus iste
  63. 🔍 20% Respice DomineRespice Domine
  64. 🔍 20% Dies sanctificatusDies sanctificatus
  65. 🔍 20% Reges TharsisReges Tharsis