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 XTantum ergo X
  2. 🔍 67% Tantum ergo XIITantum ergo XII
  3. 🔍 67% Tantum ergo IXTantum ergo IX
  4. 🔍 61% Tantum ergo ITantum ergo I
  5. 🔍 60% Tantum ergo VIITantum ergo VII
  6. 🔍 58% Tantum ergo IIITantum ergo III
  7. 🔍 58% Tantum ergo XITantum ergo XI
  8. 🔍 58% Tantum ergo VIIITantum ergo VIII
  9. 🔍 57% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  10. 🔍 57% Tantum ergo VITantum ergo VI
  11. 🔍 56% Tantum ergoTantum ergo
  12. 🔍 55% Tantum ergo VTantum ergo V
  13. 🔍 55% Tantum ergoTantum ergo
  14. 🔍 54% Tantum ergo XIIITantum ergo XIII
  15. 🔍 54% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  16. 🔍 53% Tantum ergo (cantus V)Tantum ergo (cantus V)
  17. 🔍 53% Tantum ergo. IITantum ergo. II
  18. 🔍 53% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  19. 🔍 52% Tantum ergoTantum ergo
  20. 🔍 52% Tantum ergo (modern chant)Tantum ergo (modern chant)
  21. 🔍 51% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  22. 🔍 50% Tantum ergoTantum ergo
  23. 🔍 49% Tantum ergoTantum ergo
  24. 🔍 48% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  25. 🔍 48% Tantum ergo.Tantum ergo.
  26. 🔍 47% Tantum ergoTantum ergo
  27. 🔍 47% Tantum ergo XVTantum ergo XV
  28. 🔍 47% Tantum ergo.Tantum ergo.
  29. 🔍 46% Tantum ergo IVTantum ergo IV
  30. 🔍 46% Tantum ergo II (Italian)Tantum ergo II (Italian)
  31. 🔍 46% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  32. 🔍 45% Tantum ergo. MozarabTantum ergo. Mozarab
  33. 🔍 44% Tantum ergo SacramentumTantum ergo Sacramentum
  34. 🔍 43% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  35. 🔍 42% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  36. 🔍 42% Tantum ergo.Tantum ergo.
  37. 🔍 40% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  38. 🔍 37% Pange lingua... CorporisPange lingua... Corporis
  39. 🔍 36% Cor arca legem continensCor arca legem continens
  40. 🔍 34% Auctor beate saeculiAuctor beate saeculi
  41. 🔍 34% Rex gloriose MartyrumRex gloriose Martyrum
  42. 🔍 33% Summi Parentis FilioSummi Parentis Filio
  43. 🔍 33% Tantum ergo XIVTantum ergo XIV
  44. 🔍 33% Pange lingua... CorporisPange lingua... Corporis
  45. 🔍 31% Dum tuas festoDum tuas festo
  46. 🔍 31% A solis ortus cardineA solis ortus cardine
  47. 🔍 31% Stat cultrix vigilansStat cultrix vigilans
  48. 🔍 31% Summi sacerdos NuminisSummi sacerdos Numinis
  49. 🔍 30% Jesu nostra redemptioJesu nostra redemptio
  50. 🔍 30% O sola magnarumO sola magnarum
  51. 🔍 30% Pacem tuamPacem tuam
  52. 🔍 29% Crudelis Herodes DeumCrudelis Herodes Deum
  53. 🔍 29% Quicumque certumQuicumque certum
  54. 🔍 29% Triumphat mundi principemTriumphat mundi principem
  55. 🔍 29% O rex aeterne DomineO rex aeterne Domine
  56. 🔍 29% Rex summe regumRex summe regum
  57. 🔍 29% Adesto sancta TrinitasAdesto sancta Trinitas
  58. 🔍 29% Jesu dulcisJesu dulcis
  59. 🔍 28% Pange lingua... CorporisPange lingua... Corporis
  60. 🔍 28% Deus tuorum militumDeus tuorum militum
  61. 🔍 28% Beati pauperesBeati pauperes
  62. 🔍 28% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  63. 🔍 28% Deus tuorum militumDeus tuorum militum
  64. 🔍 27% Sacris solemniis (another chant)Sacris solemniis (another chant)
  65. 🔍 27% Pange lingua... CorporisPange lingua... Corporis