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% Pungens spinaPungens spina
  2. 🔍 33% Linguae manusLinguae manus
  3. 🔍 23% Rerum Deus fonsRerum Deus fons
  4. 🔍 23% Christe sanctorumChriste sanctorum
  5. 🔍 23% Virginis proles (I)Virginis proles (I)
  6. 🔍 22% Te lucis ante terminumTe lucis ante terminum
  7. 🔍 22% Vox puraVox pura
  8. 🔍 22% O quam felixO quam felix
  9. 🔍 22% Benedicamus Domino (I)Benedicamus Domino (I)
  10. 🔍 22% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  11. 🔍 21% Tristes erant ApostoliTristes erant Apostoli
  12. 🔍 21% Crux fidelisCrux fidelis
  13. 🔍 21% Virgo clemensVirgo clemens
  14. 🔍 21% Sapientia hujusSapientia hujus
  15. 🔍 21% Agnetem caeli suscepitAgnetem caeli suscepit
  16. 🔍 21% In hoc HyacinthiIn hoc Hyacinthi
  17. 🔍 21% O quantum in CruceO quantum in Cruce
  18. 🔍 21% Paschale mundo gaudiumPaschale mundo gaudium
  19. 🔍 20% Claro paschali gaudioClaro paschali gaudio
  20. 🔍 20% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  21. 🔍 20% Salvete Christi vulneraSalvete Christi vulnera
  22. 🔍 20% Rex summe regumRex summe regum
  23. 🔍 20% Decora lux aeternitatisDecora lux aeternitatis
  24. 🔍 20% Jerusalem respiceJerusalem respice
  25. 🔍 19% Iste confessor (I)Iste confessor (I)
  26. 🔍 19% Ave stellaAve stella
  27. 🔍 19% Et respicientesEt respicientes
  28. 🔍 19% Ave maris stella (I)Ave maris stella (I)
  29. 🔍 19% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  30. 🔍 19% Lux perpetuaLux perpetua
  31. 🔍 19% Christus factus estChristus factus est
  32. 🔍 19% Tristes erant ApostoliTristes erant Apostoli
  33. 🔍 19% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  34. 🔍 19% Decora lux aeternitatisDecora lux aeternitatis
  35. 🔍 19% Non invenientesNon invenientes
  36. 🔍 19% Beate Pastor PetreBeate Pastor Petre
  37. 🔍 18% Alleluia Omnes GentesAlleluia Omnes Gentes
  38. 🔍 18% Virginis ProlesVirginis Proles
  39. 🔍 18% Ave Regina caelorumAve Regina caelorum
  40. 🔍 18% Spinae rubentSpinae rubent
  41. 🔍 18% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  42. 🔍 18% Scriptum estScriptum est
  43. 🔍 18% Jesu nostra redemptioJesu nostra redemptio
  44. 🔍 18% Mane surgensMane surgens
  45. 🔍 18% Ave Maris stellaAve Maris stella
  46. 🔍 18% Alleluia laudate DominumAlleluia laudate Dominum
  47. 🔍 18% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  48. 🔍 18% Haec autemHaec autem
  49. 🔍 18% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  50. 🔍 18% Beata es MariaBeata es Maria
  51. 🔍 18% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  52. 🔍 18% Deus tuorum II Cl.Deus tuorum II Cl.
  53. 🔍 18% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  54. 🔍 18% Egregie Doctor PauleEgregie Doctor Paule
  55. 🔍 18% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  56. 🔍 18% Factum est in unaFactum est in una
  57. 🔍 18% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  58. 🔍 18% Dominus dabitDominus dabit
  59. 🔍 18% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  60. 🔍 18% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  61. 🔍 18% Gratias tibiGratias tibi
  62. 🔍 18% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  63. 🔍 18% Omnes GentesOmnes Gentes
  64. 🔍 18% Summi Parentis FilioSummi Parentis Filio
  65. 🔍 18% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I