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% Laetare alma materLaetare alma mater
  2. 🔍 31% O gente felix hospitaO gente felix hospita
  3. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  4. 🔍 28% O Redemptor O Redemptor
  5. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  6. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  7. 🔍 28% O quam glorificaO quam glorifica
  8. 🔍 28% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  9. 🔍 27% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  10. 🔍 27% Te Deum (Simple tone)Te Deum (Simple tone)
  11. 🔍 27% O RedemptorO Redemptor
  12. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  14. 🔍 26% O beata MaterO beata Mater
  15. 🔍 26% Salve JosephSalve Joseph
  16. 🔍 26% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  17. 🔍 26% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  18. 🔍 25%
  19. 🔍 25% Gloria SanctorumGloria Sanctorum
  20. 🔍 25% Misericordias DominiMisericordias Domini
  21. 🔍 25% Ecce Angelus DominiEcce Angelus Domini
  22. 🔍 25% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  23. 🔍 25% Gloria VIIIGloria VIII
  24. 🔍 24% Angelus Domini apparuitAngelus Domini apparuit
  25. 🔍 24% Hymnus Te DeumHymnus Te Deum
  26. 🔍 24% Te gratulantesTe gratulantes
  27. 🔍 24% Benedictus es Domine DeusBenedictus es Domine Deus
  28. 🔍 24% Custodes hominumCustodes hominum
  29. 🔍 24% O gloriosi ApostoliO gloriosi Apostoli
  30. 🔍 24% Aeterne sol qui lumineAeterne sol qui lumine
  31. 🔍 24% Veni Creator SpiritusVeni Creator Spiritus
  32. 🔍 24% Ad Virginem Dei MatremAd Virginem Dei Matrem
  33. 🔍 23% Itse quem laetiItse quem laeti
  34. 🔍 23% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  35. 🔍 23% Te Mater almaTe Mater alma
  36. 🔍 23% Adoremus in aeternum IAdoremus in aeternum I
  37. 🔍 23% Concordi laetitiaConcordi laetitia
  38. 🔍 23% Te Matrem laudamusTe Matrem laudamus
  39. 🔍 23% Non fraus magnanimumNon fraus magnanimum
  40. 🔍 23% Exaltata est gloriosaExaltata est gloriosa
  41. 🔍 23% Salve MaterSalve Mater
  42. 🔍 23% Quodcumque ligaverisQuodcumque ligaveris
  43. 🔍 23% Sic Patres vitamSic Patres vitam
  44. 🔍 23% Beata Mater et intacta... sentiantBeata Mater et intacta... sentiant
  45. 🔍 23% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  46. 🔍 23% Celsi meritiCelsi meriti
  47. 🔍 23% Caelestis Agni nuptiasCaelestis Agni nuptias
  48. 🔍 23% Gertrudis arca NuminisGertrudis arca Numinis
  49. 🔍 23% Laetare Virgo MaterLaetare Virgo Mater
  50. 🔍 23% Adorna thalamumAdorna thalamum
  51. 🔍 23% Ut queant laxisUt queant laxis
  52. 🔍 23% Veniens Mater InclitusVeniens Mater Inclitus
  53. 🔍 23% Salve MaterSalve Mater
  54. 🔍 23% In virtute tuaIn virtute tua
  55. 🔍 23% Maria Mater gratiaeMaria Mater gratiae
  56. 🔍 23% Kyrie fons bonitatisKyrie fons bonitatis
  57. 🔍 23% Angelus Domini apparuit (S. Jos.)Angelus Domini apparuit (S. Jos.)
  58. 🔍 23% Te Mater almaTe Mater alma
  59. 🔍 23% Aeterni Patris UniceAeterni Patris Unice
  60. 🔍 23% Veni Creator SpiritusVeni Creator Spiritus
  61. 🔍 22% Dixit paterfamiliasDixit paterfamilias
  62. 🔍 22% Te Deum (Solemn tone)Te Deum (Solemn tone)
  63. 🔍 22% Gaude et laetareGaude et laetare
  64. 🔍 22% Adoro te devoteAdoro te devote
  65. 🔍 22% In voluntateIn voluntate