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: 2025-12-20. 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 ergoTantum ergo
  2. 🔍 79% Tantum ergo ITantum ergo I
  3. 🔍 77% Tantum ergoTantum ergo
  4. 🔍 74% Tantum ergoTantum ergo
  5. 🔍 72% Tantum ergo XITantum ergo XI
  6. 🔍 72% Tantum ergoTantum ergo
  7. 🔍 72% Tantum ergo VIIITantum ergo VIII
  8. 🔍 72% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  9. 🔍 71% Tantum ergo (cantus V)Tantum ergo (cantus V)
  10. 🔍 71% Tantum ergo VITantum ergo VI
  11. 🔍 70% Tantum ergo. IITantum ergo. II
  12. 🔍 69% Tantum ergoTantum ergo
  13. 🔍 68% Tantum ergo VTantum ergo V
  14. 🔍 68% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  15. 🔍 66% Tantum ergo XIIITantum ergo XIII
  16. 🔍 66% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  17. 🔍 66% Tantum ergo IXTantum ergo IX
  18. 🔍 63% Tantum ergo VIITantum ergo VII
  19. 🔍 62% Tantum ergo.Tantum ergo.
  20. 🔍 61% Tantum ergo.Tantum ergo.
  21. 🔍 60% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  22. 🔍 59% Tantum ergo XIITantum ergo XII
  23. 🔍 59% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  24. 🔍 59% Tantum ergo IIITantum ergo III
  25. 🔍 59% Tantum ergoTantum ergo
  26. 🔍 59% Tantum ergo XVTantum ergo XV
  27. 🔍 59% Tantum ergo SacramentumTantum ergo Sacramentum
  28. 🔍 58% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  29. 🔍 57% Tantum ergo II (Italian)Tantum ergo II (Italian)
  30. 🔍 56% Tantum ergo IVTantum ergo IV
  31. 🔍 56% Tantum ergo.Tantum ergo.
  32. 🔍 55% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  33. 🔍 55% Pange lingua... CorporisPange lingua... Corporis
  34. 🔍 55% Tantum ergo (modern chant)Tantum ergo (modern chant)
  35. 🔍 55% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  36. 🔍 53% Pange lingua... CorporisPange lingua... Corporis
  37. 🔍 51% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  38. 🔍 50% Tantum ergo. MozarabTantum ergo. Mozarab
  39. 🔍 49% Tantum ergo XTantum ergo X
  40. 🔍 40% Tantum ergo XIVTantum ergo XIV
  41. 🔍 37% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 36% Pange lingua... CorporisPange lingua... Corporis
  43. 🔍 36% Pange lingua... CorporisPange lingua... Corporis
  44. 🔍 30% Haec tuae virgoHaec tuae virgo
  45. 🔍 28% Lustris sex (tonus Pange lingua...Corporis)Lustris sex (tonus Pange lingua...Corporis)
  46. 🔍 27% Ira justa conditorisIra justa conditoris
  47. 🔍 26% Praefatio ferialis de S. BenedictoPraefatio ferialis de S. Benedicto
  48. 🔍 26% Firmamentum est DominusFirmamentum est Dominus
  49. 🔍 26% Pange lingua... CorporisPange lingua... Corporis
  50. 🔍 25% Jam feroxJam ferox
  51. 🔍 25% Dies iraeDies irae
  52. 🔍 25% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  53. 🔍 25% O mysterium!O mysterium!
  54. 🔍 25% Te Deum PatremTe Deum Patrem
  55. 🔍 24% Praefatio ferialis de AngelisPraefatio ferialis de Angelis
  56. 🔍 24% Lauda SionLauda Sion
  57. 🔍 24% Stella maris o MariaStella maris o Maria
  58. 🔍 24% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  59. 🔍 24% Praefatio ferialis de sancto Joanne BaptistaPraefatio ferialis de sancto Joanne Baptista
  60. 🔍 24% Angularis fundamentumAngularis fundamentum
  61. 🔍 24% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  62. 🔍 23% Angularis fundamentumAngularis fundamentum
  63. 🔍 23% Praefatio ferialis de sanctissima EucharistiaPraefatio ferialis de sanctissima Eucharistia
  64. 🔍 23% Benedicta semperBenedicta semper
  65. 🔍 23% Te virginumTe virginum