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% Pange lingua... CorporisPange lingua... Corporis
  2. 🔍 93% Pange lingua... CorporisPange lingua... Corporis
  3. 🔍 80% Pange lingua... CorporisPange lingua... Corporis
  4. 🔍 65% Tantum ergoTantum ergo
  5. 🔍 64% Tantum ergo ITantum ergo I
  6. 🔍 59% Pange lingua... CorporisPange lingua... Corporis
  7. 🔍 58% Tantum ergoTantum ergo
  8. 🔍 57% Pange lingua... CorporisPange lingua... Corporis
  9. 🔍 57% Pange lingua... CorporisPange lingua... Corporis
  10. 🔍 53% Tantum ergoTantum ergo
  11. 🔍 50% Tantum ergo. IITantum ergo. II
  12. 🔍 49% Tantum ergo IXTantum ergo IX
  13. 🔍 47% Tantum ergo VITantum ergo VI
  14. 🔍 47% Pange lingua... CorporisPange lingua... Corporis
  15. 🔍 46% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  16. 🔍 46% Lustris sex (tonus Pange lingua...Corporis)Lustris sex (tonus Pange lingua...Corporis)
  17. 🔍 45% Tantum ergo VIITantum ergo VII
  18. 🔍 45% Tantum ergo (cantus V)Tantum ergo (cantus V)
  19. 🔍 45% Tantum ergo.Tantum ergo.
  20. 🔍 44% Tantum ergo VTantum ergo V
  21. 🔍 44% Tantum ergo VIIITantum ergo VIII
  22. 🔍 44% Tantum ergoTantum ergo
  23. 🔍 43% Tantum ergo XITantum ergo XI
  24. 🔍 43% Tantum ergo (modern chant)Tantum ergo (modern chant)
  25. 🔍 42% Tantum ergo IIITantum ergo III
  26. 🔍 42% Tantum ergo.Tantum ergo.
  27. 🔍 42% Ira justa conditorisIra justa conditoris
  28. 🔍 42% Tantum ergoTantum ergo
  29. 🔍 42% Tantum ergo XIIITantum ergo XIII
  30. 🔍 41% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  31. 🔍 40% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  32. 🔍 40% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  33. 🔍 40% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  34. 🔍 39% Tantum ergo XVTantum ergo XV
  35. 🔍 38% Tantum ergoTantum ergo
  36. 🔍 37% Tantum ergo XTantum ergo X
  37. 🔍 37% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  38. 🔍 36% Jam Christus astraJam Christus astra
  39. 🔍 36% Tantum ergo SacramentumTantum ergo Sacramentum
  40. 🔍 36% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  41. 🔍 36% Tantum ergo XIITantum ergo XII
  42. 🔍 36% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  43. 🔍 36% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  44. 🔍 35% Jam Christus astraJam Christus astra
  45. 🔍 35% Quem terra pontus sideraQuem terra pontus sidera
  46. 🔍 35% Tantum ergo II (Italian)Tantum ergo II (Italian)
  47. 🔍 34% Tantum ergo IVTantum ergo IV
  48. 🔍 34% Haec tuae virgoHaec tuae virgo
  49. 🔍 34% Veni Creator SpiritusVeni Creator Spiritus
  50. 🔍 34% Tantum ergo.Tantum ergo.
  51. 🔍 33% Jam toto subitusJam toto subitus
  52. 🔍 33% Lauda SionLauda Sion
  53. 🔍 33% Vexilla ChristusVexilla Christus
  54. 🔍 33% Jam feroxJam ferox
  55. 🔍 33% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  56. 🔍 33% Credo IVCredo IV
  57. 🔍 32% Lauda SionLauda Sion
  58. 🔍 32% AngularisAngularis
  59. 🔍 31% Jam Christus astra ascenderatJam Christus astra ascenderat
  60. 🔍 31% Nunc Sancte nobis (In Festo Christi Regis)Nunc Sancte nobis (In Festo Christi Regis)
  61. 🔍 31% Dies iraeDies irae
  62. 🔍 31% Christe sanctorumChriste sanctorum
  63. 🔍 30% Credo VCredo V
  64. 🔍 30% Gloria XIGloria XI
  65. 🔍 30% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)