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% Ecce fidelis servusEcce fidelis servus
  2. 🔍 79% Ecce fidelis servusEcce fidelis servus
  3. 🔍 76% Ecce fidelis servusEcce fidelis servus
  4. 🔍 72% Ecce fidelis servus et prudensEcce fidelis servus et prudens
  5. 🔍 71% Fidelis servus (II)Fidelis servus (II)
  6. 🔍 70% Fidelis servus et prudensFidelis servus et prudens
  7. 🔍 70% Ecce fidelis servusEcce fidelis servus
  8. 🔍 68% Ecce fidelis servusEcce fidelis servus
  9. 🔍 64% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  10. 🔍 62% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  11. 🔍 60% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  12. 🔍 58% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  13. 🔍 50% Fidelis servus 1 (mode 3)Fidelis servus 1 (mode 3)
  14. 🔍 50% Fidelis servus 1 (mode 1)Fidelis servus 1 (mode 1)
  15. 🔍 45% Fidelis servusFidelis servus
  16. 🔍 44% Fidelis servus... alleluiaFidelis servus... alleluia
  17. 🔍 43% Fidelis servus... all. alleluiaFidelis servus... all. alleluia
  18. 🔍 40% Fidelis servusFidelis servus
  19. 🔍 34% Fidelis servus (Com.)Fidelis servus (Com.)
  20. 🔍 33% Fidelis servus et prudens (Resp.)Fidelis servus et prudens (Resp.)
  21. 🔍 32% Euge serveEuge serve
  22. 🔍 32% Fidelis DominusFidelis Dominus
  23. 🔍 30% Serve bone et fidelis intraServe bone et fidelis intra
  24. 🔍 29% Alleluia faciem tuamAlleluia faciem tuam
  25. 🔍 27% Fidelis servus et prudens (Resp.)Fidelis servus et prudens (Resp.)
  26. 🔍 27% Ecce puerEcce puer
  27. 🔍 27% Beatus servusBeatus servus
  28. 🔍 27% Ecce Dominus noster... et illuminabitEcce Dominus noster... et illuminabit
  29. 🔍 27% Beatus servusBeatus servus
  30. 🔍 26% Serve bone et fidelis quiaServe bone et fidelis quia
  31. 🔍 26% Fidelis DominusFidelis Dominus
  32. 🔍 26% Ecce ego mittoEcce ego mitto
  33. 🔍 25% Amplificatus est (T.P.)Amplificatus est (T.P.)
  34. 🔍 25% Ecce MariaEcce Maria
  35. 🔍 25% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  36. 🔍 25% Ecce ancillaEcce ancilla
  37. 🔍 25% Serve bone et fidelis quiaServe bone et fidelis quia
  38. 🔍 25% OmnipotentiOmnipotenti
  39. 🔍 25% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  40. 🔍 25% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  41. 🔍 25% Alleluia Dominus regnavitAlleluia Dominus regnavit
  42. 🔍 24% Constitues eos... allleluiaConstitues eos... allleluia
  43. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  44. 🔍 24% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  45. 🔍 24% Ecce Virgo concipietEcce Virgo concipiet
  46. 🔍 24% Posuit mePosuit me
  47. 🔍 24% Simile est... hominiSimile est... homini
  48. 🔍 24% Euge serve (Non Pont.)Euge serve (Non Pont.)
  49. 🔍 24% Ibant parentes JesuIbant parentes Jesu
  50. 🔍 24% Alleluia Faciem tuamAlleluia Faciem tuam
  51. 🔍 24% Fac cum servoFac cum servo
  52. 🔍 24% Exaltabo te... alleluiaExaltabo te... alleluia
  53. 🔍 24% Ecce Dominus venietEcce Dominus veniet
  54. 🔍 24% Dominus vias suasDominus vias suas
  55. 🔍 24% Servus tuusServus tuus
  56. 🔍 24% Deus omnipotensDeus omnipotens
  57. 🔍 24% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  58. 🔍 23% Secundum misericordiamSecundum misericordiam
  59. 🔍 23% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  60. 🔍 23% Ecce in nubibusEcce in nubibus
  61. 🔍 23% Elegit eam Deus... allel.Elegit eam Deus... allel.
  62. 🔍 23% Alleluia confiteminiAlleluia confitemini
  63. 🔍 23% BenedictionemBenedictionem
  64. 🔍 23% Beatus servusBeatus servus
  65. 🔍 23% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)