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% Tantum ergo XIVTantum ergo XIV
  2. 🔍 52% Tantum ergo XIIITantum ergo XIII
  3. 🔍 51% Tantum ergoTantum ergo
  4. 🔍 50% Tantum ergo VTantum ergo V
  5. 🔍 48% Tantum ergo XVTantum ergo XV
  6. 🔍 48% Tantum ergo.Tantum ergo.
  7. 🔍 48% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  8. 🔍 47% Tantum ergo VIIITantum ergo VIII
  9. 🔍 47% Tantum ergo VITantum ergo VI
  10. 🔍 46% Tantum ergo XITantum ergo XI
  11. 🔍 46% Tantum ergo ITantum ergo I
  12. 🔍 46% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  13. 🔍 45% Tantum ergo (cantus V)Tantum ergo (cantus V)
  14. 🔍 44% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  15. 🔍 44% Tantum ergoTantum ergo
  16. 🔍 44% Tantum ergoTantum ergo
  17. 🔍 44% Tantum ergo. IITantum ergo. II
  18. 🔍 43% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  19. 🔍 43% Tantum ergo VIITantum ergo VII
  20. 🔍 43% Tantum ergo.Tantum ergo.
  21. 🔍 43% Tantum ergo IXTantum ergo IX
  22. 🔍 42% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  23. 🔍 42% Tantum ergoTantum ergo
  24. 🔍 41% Tantum ergo XIITantum ergo XII
  25. 🔍 40% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  26. 🔍 40% Tantum ergoTantum ergo
  27. 🔍 40% Tantum ergoTantum ergo
  28. 🔍 40% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  29. 🔍 38% Tantum ergo IIITantum ergo III
  30. 🔍 38% Tantum ergo II (Italian)Tantum ergo II (Italian)
  31. 🔍 38% Tantum ergo IVTantum ergo IV
  32. 🔍 36% Tantum ergo SacramentumTantum ergo Sacramentum
  33. 🔍 35% Tantum ergo.Tantum ergo.
  34. 🔍 34% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  35. 🔍 34% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  36. 🔍 33% Tantum ergo (modern chant)Tantum ergo (modern chant)
  37. 🔍 33% Tantum ergo XTantum ergo X
  38. 🔍 32% Salvete Christi vulneraSalvete Christi vulnera
  39. 🔍 32% Adoremus in aeternum IIAdoremus in aeternum II
  40. 🔍 31% Scriptum est enim quiaScriptum est enim quia
  41. 🔍 30% Scriptum est enim quiaScriptum est enim quia
  42. 🔍 30% Ne timeasNe timeas
  43. 🔍 30% Tantum ergo. MozarabTantum ergo. Mozarab
  44. 🔍 29% Ne timeas... alleluiaNe timeas... alleluia
  45. 🔍 29% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  46. 🔍 28% Tamquam ad latronemTamquam ad latronem
  47. 🔍 27% Fulgentibus palmisFulgentibus palmis
  48. 🔍 27% Cum complerenturCum complerentur
  49. 🔍 27% Avete solitudinisAvete solitudinis
  50. 🔍 27% Christus natus est nobisChristus natus est nobis
  51. 🔍 27% Pange lingua... CorporisPange lingua... Corporis
  52. 🔍 27% Beata Agnes in medioBeata Agnes in medio
  53. 🔍 26% Venite exultemus DominoVenite exultemus Domino
  54. 🔍 26% Beata es Maria (Visitation)Beata es Maria (Visitation)
  55. 🔍 26% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  56. 🔍 26% Serve boneServe bone
  57. 🔍 26% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  58. 🔍 26% Pange lingua... CorporisPange lingua... Corporis
  59. 🔍 26% Verbum supernum prodiens a Verbum supernum prodiens a
  60. 🔍 25% Te Deum PatremTe Deum Patrem
  61. 🔍 25% Verbum supernum prodiens aVerbum supernum prodiens a
  62. 🔍 25% Aeterne Rex altissimeAeterne Rex altissime
  63. 🔍 25% Iesu salvator saeculiIesu salvator saeculi
  64. 🔍 25% O nimis felixO nimis felix
  65. 🔍 25% Istarum est enimIstarum est enim