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% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  2. 🔍 75% Tantum ergo II (Italian)Tantum ergo II (Italian)
  3. 🔍 72% Tantum ergo (cantus V)Tantum ergo (cantus V)
  4. 🔍 71% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  5. 🔍 70% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  6. 🔍 69% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  7. 🔍 69% Tantum ergo VIIITantum ergo VIII
  8. 🔍 69% Tantum ergoTantum ergo
  9. 🔍 68% Tantum ergo XITantum ergo XI
  10. 🔍 66% Tantum ergoTantum ergo
  11. 🔍 66% Tantum ergo VITantum ergo VI
  12. 🔍 65% Tantum ergo ITantum ergo I
  13. 🔍 65% Tantum ergo. IITantum ergo. II
  14. 🔍 65% Tantum ergo VTantum ergo V
  15. 🔍 65% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  16. 🔍 65% Tantum ergo XIIITantum ergo XIII
  17. 🔍 64% Tantum ergo.Tantum ergo.
  18. 🔍 62% Tantum ergo VIITantum ergo VII
  19. 🔍 62% Tantum ergo.Tantum ergo.
  20. 🔍 62% Tantum ergoTantum ergo
  21. 🔍 62% Tantum ergoTantum ergo
  22. 🔍 61% Tantum ergoTantum ergo
  23. 🔍 61% Tantum ergo IXTantum ergo IX
  24. 🔍 60% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  25. 🔍 59% Tantum ergoTantum ergo
  26. 🔍 59% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  27. 🔍 59% Tantum ergo XIITantum ergo XII
  28. 🔍 59% Tantum ergo SacramentumTantum ergo Sacramentum
  29. 🔍 57% Tantum ergo IIITantum ergo III
  30. 🔍 56% Tantum ergo XVTantum ergo XV
  31. 🔍 56% Tantum ergo IVTantum ergo IV
  32. 🔍 55% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  33. 🔍 54% Tantum ergo.Tantum ergo.
  34. 🔍 53% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  35. 🔍 52% Tantum ergo (modern chant)Tantum ergo (modern chant)
  36. 🔍 47% Parce DomineParce Domine
  37. 🔍 47% Tantum ergo. MozarabTantum ergo. Mozarab
  38. 🔍 46% Tantum ergo XTantum ergo X
  39. 🔍 44% Credo I.Credo I.
  40. 🔍 44% Regina CaeliRegina Caeli
  41. 🔍 43% Ave verumAve verum
  42. 🔍 43% Ave verumAve verum
  43. 🔍 43% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  44. 🔍 43% LaetabundusLaetabundus
  45. 🔍 42% Aeterne rerum Conditor (Dox£. Deo Patri)Aeterne rerum Conditor (Dox£. Deo Patri)
  46. 🔍 41% Aeterne rerum ConditorAeterne rerum Conditor
  47. 🔍 41% Aeterne rerum ConditorAeterne rerum Conditor
  48. 🔍 41% Pange lingua... CorporisPange lingua... Corporis
  49. 🔍 40% Credo (Missa Regia I)Credo (Missa Regia I)
  50. 🔍 40% Pange lingua... CorporisPange lingua... Corporis
  51. 🔍 40% O Maria, gratia plenaO Maria, gratia plena
  52. 🔍 40% Aeterne rerum conditorAeterne rerum conditor
  53. 🔍 40% Tantum ergo XIVTantum ergo XIV
  54. 🔍 39% Cor Jesu (cantus V)Cor Jesu (cantus V)
  55. 🔍 39% Jesu paterni pectorisJesu paterni pectoris
  56. 🔍 39% Opes decusque regiumOpes decusque regium
  57. 🔍 39% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  58. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  59. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  60. 🔍 38% Aeterne rerum ... noctemAeterne rerum ... noctem
  61. 🔍 38% Adeste fidelesAdeste fideles
  62. 🔍 37% Stabat Mater (simple)Stabat Mater (simple)
  63. 🔍 37% Ave Regina caelorumAve Regina caelorum
  64. 🔍 37% Stabat Mater dolorosaStabat Mater dolorosa
  65. 🔍 36% InviolataInviolata