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 (cantus XI)Tantum ergo (cantus XI)
  2. 🔍 75% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  3. 🔍 71% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  4. 🔍 69% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  5. 🔍 69% Tantum ergo (cantus V)Tantum ergo (cantus V)
  6. 🔍 67% Tantum ergo.Tantum ergo.
  7. 🔍 66% Tantum ergo VTantum ergo V
  8. 🔍 66% Tantum ergo ITantum ergo I
  9. 🔍 65% Tantum ergoTantum ergo
  10. 🔍 65% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  11. 🔍 65% Tantum ergo XITantum ergo XI
  12. 🔍 64% Tantum ergo IXTantum ergo IX
  13. 🔍 64% Tantum ergo XIIITantum ergo XIII
  14. 🔍 64% Tantum ergo VIIITantum ergo VIII
  15. 🔍 63% Tantum ergoTantum ergo
  16. 🔍 63% Tantum ergoTantum ergo
  17. 🔍 63% Tantum ergo VITantum ergo VI
  18. 🔍 62% Tantum ergo. IITantum ergo. II
  19. 🔍 62% Tantum ergoTantum ergo
  20. 🔍 61% Tantum ergoTantum ergo
  21. 🔍 60% Tantum ergoTantum ergo
  22. 🔍 59% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  23. 🔍 59% Tantum ergo.Tantum ergo.
  24. 🔍 59% Tantum ergo IIITantum ergo III
  25. 🔍 58% Tantum ergo XVTantum ergo XV
  26. 🔍 57% Tantum ergo XIITantum ergo XII
  27. 🔍 57% Tantum ergo II (Italian)Tantum ergo II (Italian)
  28. 🔍 57% Tantum ergo VIITantum ergo VII
  29. 🔍 56% Tantum ergo SacramentumTantum ergo Sacramentum
  30. 🔍 54% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  31. 🔍 54% Tantum ergo (modern chant)Tantum ergo (modern chant)
  32. 🔍 52% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  33. 🔍 52% Tantum ergo IVTantum ergo IV
  34. 🔍 50% Tantum ergo.Tantum ergo.
  35. 🔍 50% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  36. 🔍 48% Tantum ergo XTantum ergo X
  37. 🔍 45% Tantum ergo. MozarabTantum ergo. Mozarab
  38. 🔍 44% Tantum ergo XIVTantum ergo XIV
  39. 🔍 42% Pange lingua... CorporisPange lingua... Corporis
  40. 🔍 40% Rex SanctorumRex Sanctorum
  41. 🔍 40% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 40% Aeterne rerum conditorAeterne rerum conditor
  43. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  44. 🔍 38% Pange lingua... CorporisPange lingua... Corporis
  45. 🔍 38% Pange lingua... CorporisPange lingua... Corporis
  46. 🔍 36% Magi videntes parvulumMagi videntes parvulum
  47. 🔍 36% Veni Redemptor gentiumVeni Redemptor gentium
  48. 🔍 36% Aeterne rerum... qui mareAeterne rerum... qui mare
  49. 🔍 36% Deus tuorum militumDeus tuorum militum
  50. 🔍 36% A solis ortusA solis ortus
  51. 🔍 35% Deus tuorum militumDeus tuorum militum
  52. 🔍 35% Cum sanctificatusCum sanctificatus
  53. 🔍 35% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  54. 🔍 35% Deus tuorum militumDeus tuorum militum
  55. 🔍 35% Quicumque Christum quaeritisQuicumque Christum quaeritis
  56. 🔍 35% Deus tuorum militumDeus tuorum militum
  57. 🔍 35% Deus tuorum militumDeus tuorum militum
  58. 🔍 35% A solis ortusA solis ortus
  59. 🔍 34% Rex SanctorumRex Sanctorum
  60. 🔍 34% A solis ortus cardineA solis ortus cardine
  61. 🔍 34% Salvete Christi vulneraSalvete Christi vulnera
  62. 🔍 34% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  63. 🔍 33% Laetare caelum desuperLaetare caelum desuper
  64. 🔍 33% Tu gloria... o RosaTu gloria... o Rosa
  65. 🔍 33% O sola magnarumO sola magnarum