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% O mysterium!O mysterium!
  2. 🔍 31% Manifeste magnum estManifeste magnum est
  3. 🔍 30% Tantum ergoTantum ergo
  4. 🔍 30% Tantum ergo IXTantum ergo IX
  5. 🔍 29% Tantum ergo.Tantum ergo.
  6. 🔍 29% Firmamentum est DominusFirmamentum est Dominus
  7. 🔍 29% Tantum ergo VITantum ergo VI
  8. 🔍 29% Tantum ergoTantum ergo
  9. 🔍 28% Tantum ergo (cantus V)Tantum ergo (cantus V)
  10. 🔍 28% Tantum ergo VIIITantum ergo VIII
  11. 🔍 28% Tantum ergo XIIITantum ergo XIII
  12. 🔍 28% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  13. 🔍 28% Lauda SionLauda Sion
  14. 🔍 28% Tantum ergo.Tantum ergo.
  15. 🔍 27% Tantum ergo VTantum ergo V
  16. 🔍 27% Tantum ergo XITantum ergo XI
  17. 🔍 27% Tantum ergoTantum ergo
  18. 🔍 27% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  19. 🔍 27% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  20. 🔍 27% Tantum ergo. IITantum ergo. II
  21. 🔍 27% Tantum ergo ITantum ergo I
  22. 🔍 26% Angularis fundamentumAngularis fundamentum
  23. 🔍 26% Lauda SionLauda Sion
  24. 🔍 26% Tantum ergoTantum ergo
  25. 🔍 26% Adoremus CrucisAdoremus Crucis
  26. 🔍 26% Tantum ergo XIITantum ergo XII
  27. 🔍 25% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  28. 🔍 25% Tantum ergoTantum ergo
  29. 🔍 25% Cor Jesu (cantus IV)Cor Jesu (cantus IV)
  30. 🔍 25% Tantum ergo IIITantum ergo III
  31. 🔍 25% Cor Jesu (cantus III)Cor Jesu (cantus III)
  32. 🔍 25% Angularis fundamentumAngularis fundamentum
  33. 🔍 25% Tantum ergoTantum ergo
  34. 🔍 25% Tantum ergo SacramentumTantum ergo Sacramentum
  35. 🔍 25% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  36. 🔍 25% Tantum ergo.Tantum ergo.
  37. 🔍 24% Et ideo novi testamentiEt ideo novi testamenti
  38. 🔍 24% Gaudeamus exsultantesGaudeamus exsultantes
  39. 🔍 24% Tantum ergo VIITantum ergo VII
  40. 🔍 24% Adoremus crucis signaculumAdoremus crucis signaculum
  41. 🔍 24% Tantum ergo XVTantum ergo XV
  42. 🔍 23% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  43. 🔍 23% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  44. 🔍 23% In manus tuasIn manus tuas
  45. 🔍 22% Lauda SionLauda Sion
  46. 🔍 22% Simile est ... fermentoSimile est ... fermento
  47. 🔍 22% Tantum ergo II (Italian)Tantum ergo II (Italian)
  48. 🔍 22% Tantum ergo IVTantum ergo IV
  49. 🔍 22% Tantum ergo (modern chant)Tantum ergo (modern chant)
  50. 🔍 21% Ave lumenAve lumen
  51. 🔍 21% Simile est... fermentoSimile est... fermento
  52. 🔍 21% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  53. 🔍 21% O res admirabilisO res admirabilis
  54. 🔍 21% Quicumque Christum quaeritisQuicumque Christum quaeritis
  55. 🔍 21% Migrans Pater filiisMigrans Pater filiis
  56. 🔍 21% Festum MariaeFestum Mariae
  57. 🔍 21% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  58. 🔍 20% Hic est fratrumHic est fratrum
  59. 🔍 20% Pange lingua... CorporisPange lingua... Corporis
  60. 🔍 20% Exsultet iam angelicaExsultet iam angelica
  61. 🔍 20% O splendor pudicitiaeO splendor pudicitiae
  62. 🔍 20% Sicut pratum picturaturSicut pratum picturatur
  63. 🔍 20% O magnum mysteriumO magnum mysterium
  64. 🔍 20% Praefatio ferialis de Ecclesiae DedicationePraefatio ferialis de Ecclesiae Dedicatione
  65. 🔍 19% Grande RaymundiGrande Raymundi