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% Custodivit eamCustodivit eam
  2. 🔍 76% Custodivit eamCustodivit eam
  3. 🔍 74% Custodivit eam Angelus ejusCustodivit eam Angelus ejus
  4. 🔍 34% Non invenientes JesumNon invenientes Jesum
  5. 🔍 32% Vivit ipse DominusVivit ipse Dominus
  6. 🔍 32% Ecce levavitEcce levavit
  7. 🔍 31% Post triduumPost triduum
  8. 🔍 31% Post triduumPost triduum
  9. 🔍 28% Adjuvabit eam (Paschal Time)Adjuvabit eam (Paschal Time)
  10. 🔍 28% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  11. 🔍 28% Non invenientesNon invenientes
  12. 🔍 28% Verbum caro factum estVerbum caro factum est
  13. 🔍 28% A solis ortusA solis ortus
  14. 🔍 28% Ut audivitUt audivit
  15. 🔍 28% Dignus est AgnusDignus est Agnus
  16. 🔍 28% Dignus est AgnusDignus est Agnus
  17. 🔍 27% Veni Redemptor gentiumVeni Redemptor gentium
  18. 🔍 27% Miserere mihiMiserere mihi
  19. 🔍 27% Non invenientes JesumNon invenientes Jesum
  20. 🔍 27% Non invenientes JesumNon invenientes Jesum
  21. 🔍 27% Vidi aquam (B)Vidi aquam (B)
  22. 🔍 27% Ait autem AngelusAit autem Angelus
  23. 🔍 27% Valerianus in cubiculoValerianus in cubiculo
  24. 🔍 27% Respexit meRespexit me
  25. 🔍 27% Dignus est AgnusDignus est Agnus
  26. 🔍 27% Dixit autem MariaDixit autem Maria
  27. 🔍 27% Dixit autem MariaDixit autem Maria
  28. 🔍 27% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  29. 🔍 27% Cumque intuerenturCumque intuerentur
  30. 🔍 27% Ponam in SionPonam in Sion
  31. 🔍 27% Sancti et justiSancti et justi
  32. 🔍 27% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  33. 🔍 26% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  34. 🔍 26% Dabo in SionDabo in Sion
  35. 🔍 26% Hostis HerodesHostis Herodes
  36. 🔍 26% MemorareMemorare
  37. 🔍 26% Ego autem in DominoEgo autem in Domino
  38. 🔍 26% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  39. 🔍 26% In Deo speraviIn Deo speravi
  40. 🔍 26% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  41. 🔍 26% Viderunt eam filiae Sion vernantemViderunt eam filiae Sion vernantem
  42. 🔍 26% CustodivitCustodivit
  43. 🔍 26% Angelus autem DominiAngelus autem Domini
  44. 🔍 25% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  45. 🔍 25% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  46. 🔍 25% Adjuvabit eamAdjuvabit eam
  47. 🔍 25% Te Deum PatremTe Deum Patrem
  48. 🔍 25% Pinguis estPinguis est
  49. 🔍 25% Ecce ancilla DominiEcce ancilla Domini
  50. 🔍 25% Custodi veritatemCustodi veritatem
  51. 🔍 25% Cognovit eam DominusCognovit eam Dominus
  52. 🔍 25% Archangelus GabrielArchangelus Gabriel
  53. 🔍 25% AccipiteAccipite
  54. 🔍 25% Ite et vosIte et vos
  55. 🔍 25% Post triduumPost triduum
  56. 🔍 25% Deus autem nosterDeus autem noster
  57. 🔍 25% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  58. 🔍 25% Dignus est AgnusDignus est Agnus
  59. 🔍 25% Crudelis HerodesCrudelis Herodes
  60. 🔍 25% Lex veritatisLex veritatis
  61. 🔍 25% Salva nos DomineSalva nos Domine
  62. 🔍 25% Manum suamManum suam
  63. 🔍 25% Convocatis Jesus duodecimConvocatis Jesus duodecim
  64. 🔍 25% Eduxit eosEduxit eos
  65. 🔍 25% Joseph vir ejusJoseph vir ejus