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% Pastor bonusPastor bonus
  2. 🔍 61% Pastor bonus animamPastor bonus animam
  3. 🔍 57% Pastor bonusPastor bonus
  4. 🔍 56% Pastor bonusPastor bonus
  5. 🔍 54% Ego sum pastor bonusEgo sum pastor bonus
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  8. 🔍 48% Ego sum pastor bonusEgo sum pastor bonus
  9. 🔍 45% Ego sum pastor bonus quiEgo sum pastor bonus qui
  10. 🔍 45% Ego sum pastor bonusEgo sum pastor bonus
  11. 🔍 42% Ego sum pastor bonus quiEgo sum pastor bonus qui
  12. 🔍 41% Ego sum pastor bonusEgo sum pastor bonus
  13. 🔍 39% Ego sum pastor oviumEgo sum pastor ovium
  14. 🔍 35% Ego sum pastor bonus alleluia (Mode 8g)Ego sum pastor bonus alleluia (Mode 8g)
  15. 🔍 35% Ego sum pastor bonusEgo sum pastor bonus
  16. 🔍 34% Ego sum pastor bonus alleluia (Mode 6f)Ego sum pastor bonus alleluia (Mode 6f)
  17. 🔍 32% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  18. 🔍 30% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  19. 🔍 30% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  20. 🔍 29% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  21. 🔍 28% Alleluia (mode 8)Alleluia (mode 8)
  22. 🔍 27% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  23. 🔍 27% Alleluia confiteminiAlleluia confitemini
  24. 🔍 27% Ego sum PastorEgo sum Pastor
  25. 🔍 27% Ego sum pastor oviumEgo sum pastor ovium
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  27. 🔍 27% Quam bonusQuam bonus
  28. 🔍 27% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  29. 🔍 27% Surrexit Pastor bonusSurrexit Pastor bonus
  30. 🔍 26% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  31. 🔍 26% Alleluia tuus sum egoAlleluia tuus sum ego
  32. 🔍 26% Ego sum pastor bonusEgo sum pastor bonus
  33. 🔍 26% Alias oves habeoAlias oves habeo
  34. 🔍 26% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  35. 🔍 26% Alleluia (ant.)Alleluia (ant.)
  36. 🔍 26% Alleluia (ant.)Alleluia (ant.)
  37. 🔍 25% Amen... dico... qui nonAmen... dico... qui non
  38. 🔍 25% Suscepit nosSuscepit nos
  39. 🔍 25% OmnipotensOmnipotens
  40. 🔍 25% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  41. 🔍 24% Tulerunt DominumTulerunt Dominum
  42. 🔍 24% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  43. 🔍 24% Si diligitis meSi diligitis me
  44. 🔍 24% Vocata estVocata est
  45. 🔍 24% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  46. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  47. 🔍 24% Exaltabo te... alleluiaExaltabo te... alleluia
  48. 🔍 24% Pie pastorPie pastor
  49. 🔍 24% Alleluia. Dom. LaudAlleluia. Dom. Laud
  50. 🔍 24% Deus dum egredererisDeus dum egredereris
  51. 🔍 24% Tu es PastorTu es Pastor
  52. 🔍 24% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  53. 🔍 24% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  54. 🔍 23% Nemo tolletNemo tollet
  55. 🔍 23% Ego sum pastor oviumEgo sum pastor ovium
  56. 🔍 23% Simon dormisSimon dormis
  57. 🔍 23% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  58. 🔍 23% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  59. 🔍 23% Sacerdotes tuiSacerdotes tui
  60. 🔍 23% Salvum me facSalvum me fac
  61. 🔍 23% Maria stabatMaria stabat
  62. 🔍 23% Ecce Virgo concipietEcce Virgo concipiet
  63. 🔍 23% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  64. 🔍 23% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  65. 🔍 23% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)