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. 🔍 53% Omnis vallisOmnis vallis
  3. 🔍 52% Omnis vallis (Mode 2d)Omnis vallis (Mode 2d)
  4. 🔍 47% Omnis vallisOmnis vallis
  5. 🔍 46% Omnis vallisOmnis vallis
  6. 🔍 46% Omnis vallisOmnis vallis
  7. 🔍 45% Omnis vallis (Mode 5a)Omnis vallis (Mode 5a)
  8. 🔍 45% Egredietur virgaEgredietur virga
  9. 🔍 37% Jubilate... omnisJubilate... omnis
  10. 🔍 34% Egredietur virgaEgredietur virga
  11. 🔍 33% Omnis terraOmnis terra
  12. 🔍 32% Omnis spiritusOmnis spiritus
  13. 🔍 30% In me gratiaIn me gratia
  14. 🔍 29% Omnis plebsOmnis plebs
  15. 🔍 28% Ante me non estAnte me non est
  16. 🔍 27% Omnis qui petitOmnis qui petit
  17. 🔍 27% Benedicat omnis imberBenedicat omnis imber
  18. 🔍 27% Omnis sapientiaOmnis sapientia
  19. 🔍 27% RevelabiturRevelabitur
  20. 🔍 26% Jubilate Deo omnisJubilate Deo omnis
  21. 🔍 26% Omnis qui invocaveritOmnis qui invocaverit
  22. 🔍 25% Descendit hic justificatusDescendit hic justificatus
  23. 🔍 25% Omnis spiritusOmnis spiritus
  24. 🔍 24% Descendit hicDescendit hic
  25. 🔍 24% Non omnisNon omnis
  26. 🔍 24% Egredietur virgaEgredietur virga
  27. 🔍 23% Vidi Dominum sedentem (Ant)Vidi Dominum sedentem (Ant)
  28. 🔍 23% Omnis spiritusOmnis spiritus
  29. 🔍 23% Omnis terraOmnis terra
  30. 🔍 23% Semen estSemen est
  31. 🔍 23% Columna esColumna es
  32. 🔍 23% Beata es MariaBeata es Maria
  33. 🔍 23% In tali servoIn tali servo
  34. 🔍 22% Exaudi Domine orationem meam (Ant)Exaudi Domine orationem meam (Ant)
  35. 🔍 22% De tumbaDe tumba
  36. 🔍 22% Ego sum resurrectioEgo sum resurrectio
  37. 🔍 22% Omnis sapientiaOmnis sapientia
  38. 🔍 22% Data est mihiData est mihi
  39. 🔍 22% RevelabiturRevelabitur
  40. 🔍 22% Omnis expertemOmnis expertem
  41. 🔍 21% Laetabitur (II)Laetabitur (II)
  42. 🔍 21% Super te Jerusalem orieturSuper te Jerusalem orietur
  43. 🔍 21% Ecce ascendimus... et consummabunturEcce ascendimus... et consummabuntur
  44. 🔍 21% Omnis terraOmnis terra
  45. 🔍 21% Egredietur virgaEgredietur virga
  46. 🔍 21% Qui majorQui major
  47. 🔍 21% Data est mihiData est mihi
  48. 🔍 21% Montes et omnes collesMontes et omnes colles
  49. 🔍 21% In DominoIn Domino
  50. 🔍 21% Omnis spiritusOmnis spiritus
  51. 🔍 21% Et hic SaraEt hic Sara
  52. 🔍 21% Omnis terra adoretOmnis terra adoret
  53. 🔍 20% Omnis sapientiaOmnis sapientia
  54. 🔍 20% In spirituIn spiritu
  55. 🔍 20% Omnis qui invocaveritOmnis qui invocaverit
  56. 🔍 20% RevelabiturRevelabitur
  57. 🔍 20% Omnis terraOmnis terra
  58. 🔍 20% Aeterne RexAeterne Rex
  59. 🔍 20% Veniet Dominus et nonVeniet Dominus et non
  60. 🔍 20% Omnis qui se exaltatOmnis qui se exaltat
  61. 🔍 20% Super te JerusalemSuper te Jerusalem
  62. 🔍 20% Data est mihiData est mihi
  63. 🔍 20% Omnis expertemOmnis expertem
  64. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  65. 🔍 19% Omnis terraOmnis terra