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. 🔍 63% Portas coeliPortas coeli
  3. 🔍 48% Portas caeliPortas caeli
  4. 🔍 37% Benedicite gentesBenedicite gentes
  5. 🔍 36% Benedicite gentesBenedicite gentes
  6. 🔍 33% Portas caeliPortas caeli
  7. 🔍 32% Exaltabo teExaltabo te
  8. 🔍 30% Panem CaeliPanem Caeli
  9. 🔍 30% Cantemus DominoCantemus Domino
  10. 🔍 29% Afferte DominoAfferte Domino
  11. 🔍 29% Laudate DominumLaudate Dominum
  12. 🔍 29% Benedic anima meaBenedic anima mea
  13. 🔍 29% Cogitationes Cordis cum AlleluiaCogitationes Cordis cum Alleluia
  14. 🔍 29% Psallite DominoPsallite Domino
  15. 🔍 29% Intende vociIntende voci
  16. 🔍 28% Panem caeli deditPanem caeli dedit
  17. 🔍 28% Exaltabo teExaltabo te
  18. 🔍 28% Panem de caeloPanem de caelo
  19. 🔍 28% Benedicite gentesBenedicite gentes
  20. 🔍 28% Justi decantaveruntJusti decantaverunt
  21. 🔍 27% Domine in lumineDomine in lumine
  22. 🔍 27% Adjuvabit eamAdjuvabit eam
  23. 🔍 27% Januas caeli aperuitJanuas caeli aperuit
  24. 🔍 27% ElegiElegi
  25. 🔍 27% Misit DominusMisit Dominus
  26. 🔍 27% Cibavit eos... AlleluiaCibavit eos... Alleluia
  27. 🔍 27% In te speraviIn te speravi
  28. 🔍 27% Oratio meaOratio mea
  29. 🔍 27% Exaltent eumExaltent eum
  30. 🔍 27% Terribilis estTerribilis est
  31. 🔍 27% Meditabor... alleluiaMeditabor... alleluia
  32. 🔍 27% Dominus dixitDominus dixit
  33. 🔍 26% Reges TharsisReges Tharsis
  34. 🔍 26% Precatus estPrecatus est
  35. 🔍 26% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  36. 🔍 26% Anima nostra (Off.)Anima nostra (Off.)
  37. 🔍 26% Tota pulchra es amica meaTota pulchra es amica mea
  38. 🔍 26% Panem caeli dedit eisPanem caeli dedit eis
  39. 🔍 26% Ad te DomineAd te Domine
  40. 🔍 26% Puer natus estPuer natus est
  41. 🔍 26% Tribulationes cordisTribulationes cordis
  42. 🔍 26% Hodie nobis caelorumHodie nobis caelorum
  43. 🔍 26% Filiae regumFiliae regum
  44. 🔍 25% Puer natus estPuer natus est
  45. 🔍 25% Speciosus... EructavitSpeciosus... Eructavit
  46. 🔍 25% Me exspectaveruntMe exspectaverunt
  47. 🔍 25% Cogitationes Cordis sine AlleluiaCogitationes Cordis sine Alleluia
  48. 🔍 25% ConfitebunturConfitebuntur
  49. 🔍 25% Virgines laudentVirgines laudent
  50. 🔍 25% Corona aureaCorona aurea
  51. 🔍 25% Sicut ovisSicut ovis
  52. 🔍 25% Specie tua (Grad.)Specie tua (Grad.)
  53. 🔍 25% Dominus dixitDominus dixit
  54. 🔍 25% ConfitebunturConfitebuntur
  55. 🔍 25% Exsurge... fer opemExsurge... fer opem
  56. 🔍 25% O crux splendidiorO crux splendidior
  57. 🔍 24% Vir erat (verses, rhythmic signs)Vir erat (verses, rhythmic signs)
  58. 🔍 24% Vultum tuumVultum tuum
  59. 🔍 24% ConfitebunturConfitebuntur
  60. 🔍 24% Ave Rex nosterAve Rex noster
  61. 🔍 24% Angelis suisAngelis suis
  62. 🔍 24% Ex Sion speciesEx Sion species
  63. 🔍 24% ExspectansExspectans
  64. 🔍 24% Deus... qui perfecitDeus... qui perfecit
  65. 🔍 24% Anima nostraAnima nostra