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% Sancta MariaSancta Maria
  2. 🔍 71% Sancta Maria virginumSancta Maria virginum
  3. 🔍 29% Ex more docti mysticoEx more docti mystico
  4. 🔍 29% Te lucis ante terminumTe lucis ante terminum
  5. 🔍 28% Sancta Maria...auxiliumSancta Maria...auxilium
  6. 🔍 28% Sancta Maria succurreSancta Maria succurre
  7. 🔍 27% Sancta Maria...festivitatemSancta Maria...festivitatem
  8. 🔍 27% Sancta Maria succurreSancta Maria succurre
  9. 🔍 27% Sancta Maria succurreSancta Maria succurre
  10. 🔍 26% Te Deum PatremTe Deum Patrem
  11. 🔍 26% Gaude mater AnnaGaude mater Anna
  12. 🔍 26% Sancta MariaSancta Maria
  13. 🔍 26% InviolataInviolata
  14. 🔍 26% Rerum Deus fonsRerum Deus fons
  15. 🔍 26% MemorareMemorare
  16. 🔍 26% Jesu Fili summi PatrisJesu Fili summi Patris
  17. 🔍 26% Felix per omnesFelix per omnes
  18. 🔍 26% Post partum VirgoPost partum Virgo
  19. 🔍 26% Sancta DeiSancta Dei
  20. 🔍 26% Deus tuorum militumDeus tuorum militum
  21. 🔍 25% Apostolorum passio diemApostolorum passio diem
  22. 🔍 25% Deus tuorum II Cl.Deus tuorum II Cl.
  23. 🔍 25% Ad Virginem Dei MatremAd Virginem Dei Matrem
  24. 🔍 25% Gaude mater AnnaGaude mater Anna
  25. 🔍 25% Aeterna... Apostolorum (II)Aeterna... Apostolorum (II)
  26. 🔍 25% Deus tuorum II Cl.Deus tuorum II Cl.
  27. 🔍 25% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  28. 🔍 25% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  29. 🔍 25% In hoc HyacinthiIn hoc Hyacinthi
  30. 🔍 25% Hostis HerodesHostis Herodes
  31. 🔍 25% In regenerationeIn regeneratione
  32. 🔍 25% Vox puraVox pura
  33. 🔍 25% Angularis fundamentumAngularis fundamentum
  34. 🔍 25% Ternis horarum terminis (A Sollemnitate Epiphaniae)Ternis horarum terminis (A Sollemnitate Epiphaniae)
  35. 🔍 25% Ad cenamAd cenam
  36. 🔍 25% Salvator mundiSalvator mundi
  37. 🔍 25% En ut superbaEn ut superba
  38. 🔍 25% Dicite pusillaminesDicite pusillamines
  39. 🔍 25% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  40. 🔍 25% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  41. 🔍 25% MemorareMemorare
  42. 🔍 25% Et posueruntEt posuerunt
  43. 🔍 25% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  44. 🔍 25% Deus tuorum militumDeus tuorum militum
  45. 🔍 24% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  46. 🔍 24% Legis sacrataeLegis sacratae
  47. 🔍 24% Aeterna... Martyrum (Ia)Aeterna... Martyrum (Ia)
  48. 🔍 24% Angularis fundamentumAngularis fundamentum
  49. 🔍 24% Dicamus laudes Domino (A Sollemnitate Epiphaniae)Dicamus laudes Domino (A Sollemnitate Epiphaniae)
  50. 🔍 24% Aeterna... Apostolorum (II)Aeterna... Apostolorum (II)
  51. 🔍 24% Hymnum canentes martyrumHymnum canentes martyrum
  52. 🔍 24% Exaltata est Virgo MariaExaltata est Virgo Maria
  53. 🔍 24% Praefatio solemnis de AngelisPraefatio solemnis de Angelis
  54. 🔍 24% Commune vos apostoliCommune vos apostoli
  55. 🔍 24% Deus tuorum militumDeus tuorum militum
  56. 🔍 24% Auctor beate saeculiAuctor beate saeculi
  57. 🔍 24% Deus tuorum militumDeus tuorum militum
  58. 🔍 24% Domine Jesu ChristeDomine Jesu Christe
  59. 🔍 24% Christe sanctorumChriste sanctorum
  60. 🔍 24% Immaculatam ConceptionemImmaculatam Conceptionem
  61. 🔍 24% Gaudeamus exsultantesGaudeamus exsultantes
  62. 🔍 24% Salve radix sanctaSalve radix sancta
  63. 🔍 24% O rex aeterne DomineO rex aeterne Domine
  64. 🔍 24% Iam ChristusIam Christus
  65. 🔍 24% Ex more docti mysticoEx more docti mystico