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% Omnis vallisOmnis vallis
  2. 🔍 99% Omnis vallis (Mode 2d)Omnis vallis (Mode 2d)
  3. 🔍 82% Omnis vallisOmnis vallis
  4. 🔍 80% Omnis vallis (Mode 5a)Omnis vallis (Mode 5a)
  5. 🔍 54% Omnis vallisOmnis vallis
  6. 🔍 53% Omnis vallisOmnis vallis
  7. 🔍 53% Omnis vallisOmnis vallis
  8. 🔍 46% Omnis spiritusOmnis spiritus
  9. 🔍 42% Omnis arborOmnis arbor
  10. 🔍 39% Rex omnis terraeRex omnis terrae
  11. 🔍 39% Veniet Dominus in potestateVeniet Dominus in potestate
  12. 🔍 39% Veniet Dominus in potestateVeniet Dominus in potestate
  13. 🔍 38% Egredietur virgaEgredietur virga
  14. 🔍 38% Egredietur virgaEgredietur virga
  15. 🔍 37% Multiplicabitur 1Multiplicabitur 1
  16. 🔍 37% Ante me non estAnte me non est
  17. 🔍 37% Omnis qui se exaltatOmnis qui se exaltat
  18. 🔍 36% Ante me non estAnte me non est
  19. 🔍 36% Multiplicabitur 1Multiplicabitur 1
  20. 🔍 36% Et omnis mansuetudinisEt omnis mansuetudinis
  21. 🔍 36% Ante me non est (Mode 2*f)Ante me non est (Mode 2*f)
  22. 🔍 36% Creatura omnisCreatura omnis
  23. 🔍 35% Multiplicabitur 1 (Mode 1g)Multiplicabitur 1 (Mode 1g)
  24. 🔍 35% In DominoIn Domino
  25. 🔍 34% Ecce Dominus venietEcce Dominus veniet
  26. 🔍 34% Ecce Dominus venietEcce Dominus veniet
  27. 🔍 34% Omnis sapientiaOmnis sapientia
  28. 🔍 34% Ante me non est (Mode 1g)Ante me non est (Mode 1g)
  29. 🔍 34% Multiplicabitur 1 (Mode 5a)Multiplicabitur 1 (Mode 5a)
  30. 🔍 33% Montes et omnesMontes et omnes
  31. 🔍 33% Montes et omnesMontes et omnes
  32. 🔍 33% Sedebit DominusSedebit Dominus
  33. 🔍 33% Omnis autemOmnis autem
  34. 🔍 33% VisionemVisionem
  35. 🔍 32% Ecce ascendimus ... et FiliusEcce ascendimus ... et Filius
  36. 🔍 32% Omnipotens SermoOmnipotens Sermo
  37. 🔍 32% Omnipotens SermoOmnipotens Sermo
  38. 🔍 32% Dominus legiferDominus legifer
  39. 🔍 32% Dominus legiferDominus legifer
  40. 🔍 32% Populus meus aitPopulus meus ait
  41. 🔍 32% Non omnis qui dicitNon omnis qui dicit
  42. 🔍 32% Amen a. d. tibi (Fir)Amen a. d. tibi (Fir)
  43. 🔍 32% Ecce in nubibusEcce in nubibus
  44. 🔍 32% Ecce in nubibusEcce in nubibus
  45. 🔍 32% Ecce apparebitEcce apparebit
  46. 🔍 32% Ecce apparebitEcce apparebit
  47. 🔍 32% Veniet Dominus et nonVeniet Dominus et non
  48. 🔍 32% Veniet Dominus et nonVeniet Dominus et non
  49. 🔍 32% In nomine enimIn nomine enim
  50. 🔍 32% In domum DominiIn domum Domini
  51. 🔍 32% Amen a. d. tibi (Har)Amen a. d. tibi (Har)
  52. 🔍 32% Domine rex omnipotens liberaDomine rex omnipotens libera
  53. 🔍 32% Sana DomineSana Domine
  54. 🔍 32% Dominum Deum tuumDominum Deum tuum
  55. 🔍 32% Domine clamaviDomine clamavi
  56. 🔍 32% Iuste et pieIuste et pie
  57. 🔍 32% Iuste et pieIuste et pie
  58. 🔍 31% Domine in caeloDomine in caelo
  59. 🔍 31% HabitabitHabitabit
  60. 🔍 31% Omnis qui petitOmnis qui petit
  61. 🔍 31% Rex nosterRex noster
  62. 🔍 31% Rex nosterRex noster
  63. 🔍 31% Confortate manusConfortate manus
  64. 🔍 31% Fili recordareFili recordare
  65. 🔍 31% De caelo venietDe caelo veniet