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% Immolans DeoImmolans Deo
  2. 🔍 34% Descendit Angelus DominiDescendit Angelus Domini
  3. 🔍 32% Caritate et sapientiaCaritate et sapientia
  4. 🔍 29% Dedit animam suamDedit animam suam
  5. 🔍 29% Parvuli petierunt panemParvuli petierunt panem
  6. 🔍 28% Qui redempti suntQui redempti sunt
  7. 🔍 24% Exsultans spiritus PetriExsultans spiritus Petri
  8. 🔍 21% Misericors Dominus qui visitavitMisericors Dominus qui visitavit
  9. 🔍 21% O Petre lumen errantiumO Petre lumen errantium
  10. 🔍 20% Festivis resonentFestivis resonent
  11. 🔍 19% Christum pastorum principemChristum pastorum principem
  12. 🔍 19% In Deo speraviIn Deo speravi
  13. 🔍 19% Immola DeoImmola Deo
  14. 🔍 18% Miserere mei... secundumMiserere mei... secundum
  15. 🔍 18% Laudes Crucis AttollamusLaudes Crucis Attollamus
  16. 🔍 18% Christum pastorum principemChristum pastorum principem
  17. 🔍 18% Urbis aeterne celebresUrbis aeterne celebres
  18. 🔍 18% Tulit ergo paralyticusTulit ergo paralyticus
  19. 🔍 18% Audit tyrannus anxiusAudit tyrannus anxius
  20. 🔍 18% Lamentationes 6.2 Daleth. TetenditLamentationes 6.2 Daleth. Tetendit
  21. 🔍 17% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  22. 🔍 17% Immola DeoImmola Deo
  23. 🔍 17% Tulit ergoTulit ergo
  24. 🔍 17% Quis ex vobis homoQuis ex vobis homo
  25. 🔍 17% Sursum sonetSursum sonet
  26. 🔍 17% Virgo prudentissimaVirgo prudentissima
  27. 🔍 17% Immola DeoImmola Deo
  28. 🔍 17% Redemisti nos DeoRedemisti nos Deo
  29. 🔍 17% Exsultet jam AngelicaExsultet jam Angelica
  30. 🔍 17% Verbum supernumVerbum supernum
  31. 🔍 17% Gaudent in caelisGaudent in caelis
  32. 🔍 17% Levita sanctissimusLevita sanctissimus
  33. 🔍 17% Erit sanguis AgniErit sanguis Agni
  34. 🔍 17% Credo IICredo II
  35. 🔍 16% Festivis resonent compitaFestivis resonent compita
  36. 🔍 16% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  37. 🔍 16% Festivis resonentFestivis resonent
  38. 🔍 16% Si quis diligit meSi quis diligit me
  39. 🔍 16% Visitavit nosVisitavit nos
  40. 🔍 16% In desertoIn deserto
  41. 🔍 16% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  42. 🔍 16% Non invenientes JesumNon invenientes Jesum
  43. 🔍 16% Festivis resonent compitaFestivis resonent compita
  44. 🔍 16% Virgo prudentissimaVirgo prudentissima
  45. 🔍 16% Sapientia... exciditSapientia... excidit
  46. 🔍 16% Virgo prudentissimaVirgo prudentissima
  47. 🔍 16% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  48. 🔍 16% O castitatis signiferO castitatis signifer
  49. 🔍 16% Quis ex vobis homoQuis ex vobis homo
  50. 🔍 16% Jam sol receditJam sol recedit
  51. 🔍 16% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  52. 🔍 16% Credo IICredo II
  53. 🔍 16% Credo ICredo I
  54. 🔍 16% Martyris ChristiMartyris Christi
  55. 🔍 16% Nativitas DominiNativitas Domini
  56. 🔍 16% Christus est vitaChristus est vita
  57. 🔍 16% Sapientia aedificavit... exciditSapientia aedificavit... excidit
  58. 🔍 16% Beatissimae VirginisBeatissimae Virginis
  59. 🔍 16% Maria stabatMaria stabat
  60. 🔍 16% Laudemus virumLaudemus virum
  61. 🔍 16% Convocatis Jesus duodecim ApostolisConvocatis Jesus duodecim Apostolis
  62. 🔍 16% Miserere (Ps 50)Miserere (Ps 50)
  63. 🔍 16% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  64. 🔍 16% Martyr Dei qui unicumMartyr Dei qui unicum
  65. 🔍 16% Domine non adspicias (Resp.)Domine non adspicias (Resp.)