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% O SapientiaO Sapientia
  2. 🔍 100% O SapientiaO Sapientia
  3. 🔍 76% O SapientiaO Sapientia
  4. 🔍 73% O SapientiaO Sapientia
  5. 🔍 73% O SapientiaO Sapientia
  6. 🔍 70% O SapientiaO Sapientia
  7. 🔍 58% O SapientiaO Sapientia
  8. 🔍 58% O SapientiaO Sapientia
  9. 🔍 57% O SapientiaO Sapientia
  10. 🔍 56% O SapientiaO Sapientia
  11. 🔍 55% O SapientiaO Sapientia
  12. 🔍 54% O SapientiaO Sapientia
  13. 🔍 42% O Rex gentiumO Rex gentium
  14. 🔍 42% O radix JesseO radix Jesse
  15. 🔍 40% O OriensO Oriens
  16. 🔍 40% O AdonaiO Adonai
  17. 🔍 38% O Doctor optimeO Doctor optime
  18. 🔍 37% O EmmanuelO Emmanuel
  19. 🔍 35% Sapientia clamitatSapientia clamitat
  20. 🔍 33% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  21. 🔍 33% O Clavis DavidO Clavis David
  22. 🔍 32% Beata es Maria (Visitation)Beata es Maria (Visitation)
  23. 🔍 32% Similabo eumSimilabo eum
  24. 🔍 31% Triduanas a DominoTriduanas a Domino
  25. 🔍 31% O Virgo virginumO Virgo virginum
  26. 🔍 31% Ne timeasNe timeas
  27. 🔍 31% Usque modoUsque modo
  28. 🔍 31% Si quis diligit meSi quis diligit me
  29. 🔍 31% Si quis diligit meSi quis diligit me
  30. 🔍 30% O Rex gentiumO Rex gentium
  31. 🔍 30% Ne timeas... alleluiaNe timeas... alleluia
  32. 🔍 30% Existimo omniaExistimo omnia
  33. 🔍 30% Dum fortisDum fortis
  34. 🔍 29% Benedicta es tuBenedicta es tu
  35. 🔍 29% Genuit puerpera RegemGenuit puerpera Regem
  36. 🔍 29% O mundi DominaO mundi Domina
  37. 🔍 29% Venite (S. Rita)Venite (S. Rita)
  38. 🔍 29% Omnis sapientiaOmnis sapientia
  39. 🔍 29% O radix JesseO radix Jesse
  40. 🔍 29% O Oriens splendorO Oriens splendor
  41. 🔍 29% Maternitas tuaMaternitas tua
  42. 🔍 29% O EmmanuelO Emmanuel
  43. 🔍 29% O Rex gloriaeO Rex gloriae
  44. 🔍 29% VisionemVisionem
  45. 🔍 29% Sapientia aedificavit... exciditSapientia aedificavit... excidit
  46. 🔍 29% O AdonaiO Adonai
  47. 🔍 29% Ad te confugimusAd te confugimus
  48. 🔍 28% Dixit Dominus ad NoeDixit Dominus ad Noe
  49. 🔍 28% Laus Deo PatriLaus Deo Patri
  50. 🔍 28% Manum suamManum suam
  51. 🔍 28% Dixit autem MariaDixit autem Maria
  52. 🔍 28% Sacrificabo hostiamSacrificabo hostiam
  53. 🔍 28% Sancte Paule ApostoleSancte Paule Apostole
  54. 🔍 28% Fili recordareFili recordare
  55. 🔍 28% Haec est quae nescivitHaec est quae nescivit
  56. 🔍 28% Serve boneServe bone
  57. 🔍 28% Pater manifestaviPater manifestavi
  58. 🔍 28% Dirupisti DomineDirupisti Domine
  59. 🔍 28% Miserere mihiMiserere mihi
  60. 🔍 28% Puer JesusPuer Jesus
  61. 🔍 28% Nunc tempusNunc tempus
  62. 🔍 28% Simile est... granoSimile est... grano
  63. 🔍 28% ExtollensExtollens
  64. 🔍 28% Dixit autem dominusDixit autem dominus
  65. 🔍 28% Est secretumEst secretum