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: 2025-12-20. 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 vallis (Mode 2d)Omnis vallis (Mode 2d)
  2. 🔍 99% Omnis vallisOmnis vallis
  3. 🔍 80% Omnis vallisOmnis vallis
  4. 🔍 77% Omnis vallis (Mode 5a)Omnis vallis (Mode 5a)
  5. 🔍 53% Omnis vallisOmnis vallis
  6. 🔍 52% Omnis vallisOmnis vallis
  7. 🔍 51% Omnis vallisOmnis vallis
  8. 🔍 45% Omnis spiritusOmnis spiritus
  9. 🔍 41% Omnis arborOmnis arbor
  10. 🔍 38% Rex omnis terraeRex omnis terrae
  11. 🔍 38% Veniet Dominus in potestateVeniet Dominus in potestate
  12. 🔍 38% Veniet Dominus in potestateVeniet Dominus in potestate
  13. 🔍 37% Egredietur virgaEgredietur virga
  14. 🔍 37% Egredietur virgaEgredietur virga
  15. 🔍 36% Multiplicabitur 1Multiplicabitur 1
  16. 🔍 36% Ante me non estAnte me non est
  17. 🔍 35% Omnis qui se exaltatOmnis qui se exaltat
  18. 🔍 35% Ante me non estAnte me non est
  19. 🔍 35% Multiplicabitur 1Multiplicabitur 1
  20. 🔍 35% Et omnis mansuetudinisEt omnis mansuetudinis
  21. 🔍 35% Ante me non est (Mode 2*f)Ante me non est (Mode 2*f)
  22. 🔍 34% Creatura omnisCreatura omnis
  23. 🔍 34% Multiplicabitur 1 (Mode 1g)Multiplicabitur 1 (Mode 1g)
  24. 🔍 34% Omnipotens SermoOmnipotens Sermo
  25. 🔍 34% Omnipotens SermoOmnipotens Sermo
  26. 🔍 34% Sana DomineSana Domine
  27. 🔍 34% In DominoIn Domino
  28. 🔍 34% Domine in caeloDomine in caelo
  29. 🔍 33% Amen a. d. tibi (Fir)Amen a. d. tibi (Fir)
  30. 🔍 33% Ecce Dominus venietEcce Dominus veniet
  31. 🔍 33% Ecce Dominus venietEcce Dominus veniet
  32. 🔍 33% Omnis sapientiaOmnis sapientia
  33. 🔍 33% Domine rex omnipotens liberaDomine rex omnipotens libera
  34. 🔍 33% Amen a. d. tibi (Har)Amen a. d. tibi (Har)
  35. 🔍 33% Ante me non est (Mode 1g)Ante me non est (Mode 1g)
  36. 🔍 33% Multiplicabitur 1 (Mode 5a)Multiplicabitur 1 (Mode 5a)
  37. 🔍 33% Iuste et pieIuste et pie
  38. 🔍 33% Iuste et pieIuste et pie
  39. 🔍 33% Confortate manusConfortate manus
  40. 🔍 32% ConsolaminiConsolamini
  41. 🔍 32% Montes et omnesMontes et omnes
  42. 🔍 32% Montes et omnesMontes et omnes
  43. 🔍 32% Da nobis DomineDa nobis Domine
  44. 🔍 32% Sedebit DominusSedebit Dominus
  45. 🔍 32% VoveteVovete
  46. 🔍 32% Dominus Deus auxiliatorDominus Deus auxiliator
  47. 🔍 32% Confortate manusConfortate manus
  48. 🔍 32% Omnis autemOmnis autem
  49. 🔍 32% VisionemVisionem
  50. 🔍 32% Ad te levaviAd te levavi
  51. 🔍 32% Suscipiant DomineSuscipiant Domine
  52. 🔍 32% Deduc me in via aeternaDeduc me in via aeterna
  53. 🔍 31% Ecce ascendimus ... et FiliusEcce ascendimus ... et Filius
  54. 🔍 31% Dominus legiferDominus legifer
  55. 🔍 31% Dominus legiferDominus legifer
  56. 🔍 31% Populus meus aitPopulus meus ait
  57. 🔍 31% Non omnis qui dicitNon omnis qui dicit
  58. 🔍 31% Beati omnesBeati omnes
  59. 🔍 31% Dominus tamquam ovisDominus tamquam ovis
  60. 🔍 31% Ecce in nubibusEcce in nubibus
  61. 🔍 31% Ecce in nubibusEcce in nubibus
  62. 🔍 31% ConsolaminiConsolamini
  63. 🔍 31% Ecce apparebitEcce apparebit
  64. 🔍 31% Ecce apparebitEcce apparebit
  65. 🔍 31% O Domine salvum me facO Domine salvum me fac