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 IXTantum ergo IX
  2. 🔍 82% Tantum ergo ITantum ergo I
  3. 🔍 81% Tantum ergo VIITantum ergo VII
  4. 🔍 78% Tantum ergo XITantum ergo XI
  5. 🔍 78% Tantum ergo IIITantum ergo III
  6. 🔍 78% Tantum ergo VIIITantum ergo VIII
  7. 🔍 76% Tantum ergo VITantum ergo VI
  8. 🔍 75% Tantum ergoTantum ergo
  9. 🔍 74% Tantum ergo VTantum ergo V
  10. 🔍 74% Tantum ergoTantum ergo
  11. 🔍 72% Tantum ergo XIIITantum ergo XIII
  12. 🔍 71% Tantum ergo XIITantum ergo XII
  13. 🔍 71% Tantum ergo (cantus V)Tantum ergo (cantus V)
  14. 🔍 71% Tantum ergo. IITantum ergo. II
  15. 🔍 71% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  16. 🔍 71% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  17. 🔍 70% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  18. 🔍 70% Tantum ergoTantum ergo
  19. 🔍 69% Tantum ergo (modern chant)Tantum ergo (modern chant)
  20. 🔍 67% Tantum ergo XTantum ergo X
  21. 🔍 66% Tantum ergoTantum ergo
  22. 🔍 66% Tantum ergoTantum ergo
  23. 🔍 65% Tantum ergo.Tantum ergo.
  24. 🔍 64% Tantum ergo XVTantum ergo XV
  25. 🔍 64% Tantum ergo II (Italian)Tantum ergo II (Italian)
  26. 🔍 64% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  27. 🔍 64% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  28. 🔍 62% Tantum ergo SacramentumTantum ergo Sacramentum
  29. 🔍 62% Tantum ergoTantum ergo
  30. 🔍 62% Tantum ergo IVTantum ergo IV
  31. 🔍 62% Tantum ergo.Tantum ergo.
  32. 🔍 61% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  33. 🔍 57% Tantum ergo.Tantum ergo.
  34. 🔍 56% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  35. 🔍 56% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  36. 🔍 54% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  37. 🔍 51% Tantum ergo. MozarabTantum ergo. Mozarab
  38. 🔍 49% Pange lingua... CorporisPange lingua... Corporis
  39. 🔍 44% Angularis fundamentumAngularis fundamentum
  40. 🔍 43% Angularis fundamentumAngularis fundamentum
  41. 🔍 43% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 43% Tantum ergo XIVTantum ergo XIV
  43. 🔍 41% Pange lingua... CorporisPange lingua... Corporis
  44. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  45. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  46. 🔍 36% Urbs Ierusalem beataUrbs Ierusalem beata
  47. 🔍 35% Urbs Jerusalem beataUrbs Jerusalem beata
  48. 🔍 34% Quem terra pontus sideraQuem terra pontus sidera
  49. 🔍 33% Jesu dulcis amorJesu dulcis amor
  50. 🔍 33% Veni Creator SpiritusVeni Creator Spiritus
  51. 🔍 33% Rex summe regumRex summe regum
  52. 🔍 32% Adesto sancta TrinitasAdesto sancta Trinitas
  53. 🔍 31% Quicumque ChristumQuicumque Christum
  54. 🔍 31% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)
  55. 🔍 31% O MartineO Martine
  56. 🔍 30% Quicumque Christum quaeritisQuicumque Christum quaeritis
  57. 🔍 30% Salve VirginaleSalve Virginale
  58. 🔍 30% Beate Pastor PetreBeate Pastor Petre
  59. 🔍 30% O mysterium!O mysterium!
  60. 🔍 30% Jam Christus astraJam Christus astra
  61. 🔍 30% Decora lux aeternitatisDecora lux aeternitatis
  62. 🔍 30% Christe sanctorumChriste sanctorum
  63. 🔍 29% Jam Christus astraJam Christus astra
  64. 🔍 29% Iam bone pastorIam bone pastor
  65. 🔍 29% Ad nutum DominiAd nutum Domini