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% Dies iraeDies irae
  2. 🔍 49% Dies iraeDies irae
  3. 🔍 48% Dies iraeDies irae
  4. 🔍 39% Dies irae, ad Vesperas, Peccatricem qui solvisti Dies irae, ad Vesperas, Peccatricem qui solvisti
  5. 🔍 37% Dies irae, Ad Officium Lectionis Heb. XXXIVDies irae, Ad Officium Lectionis Heb. XXXIV
  6. 🔍 36% Dies irae, ad Laudes Quid sum miser...Dies irae, ad Laudes Quid sum miser...
  7. 🔍 35% Peccatricem qui solvistiPeccatricem qui solvisti
  8. 🔍 35% Libera me Domine de morteLibera me Domine de morte
  9. 🔍 34% Quid sumQuid sum
  10. 🔍 32% Lauda SionLauda Sion
  11. 🔍 31% Ave Regis AngelorumAve Regis Angelorum
  12. 🔍 31% Benedicens ergo DeusBenedicens ergo Deus
  13. 🔍 30% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  14. 🔍 30% Lauda SionLauda Sion
  15. 🔍 30% Miserere (Ps 50)Miserere (Ps 50)
  16. 🔍 30% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  17. 🔍 30% Stabat MaterStabat Mater
  18. 🔍 30% Stabat MaterStabat Mater
  19. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  20. 🔍 29% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  21. 🔍 29% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  22. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  23. 🔍 29% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  24. 🔍 29% Te Deum (Simple tone)Te Deum (Simple tone)
  25. 🔍 29% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  26. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 29% Te DeumTe Deum
  28. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  29. 🔍 29% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  30. 🔍 29% Te DeumTe Deum
  31. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 29% Audi benigne Conditor Audi benigne Conditor
  33. 🔍 29% Stabat Mater DolorosaStabat Mater Dolorosa
  34. 🔍 29% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  35. 🔍 29% Te DeumTe Deum
  36. 🔍 29% Te DeumTe Deum
  37. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  38. 🔍 28% Te DeumTe Deum
  39. 🔍 28% Audi benigne conditorAudi benigne conditor
  40. 🔍 28% Hymnus Te DeumHymnus Te Deum
  41. 🔍 28% Audi Benigne ConditorAudi Benigne Conditor
  42. 🔍 28% Gentis redemptaeGentis redemptae
  43. 🔍 28% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  44. 🔍 28% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  45. 🔍 28% In diebus illis: Facta est super meIn diebus illis: Facta est super me
  46. 🔍 28% Te DeumTe Deum
  47. 🔍 28% Salve dies dierumSalve dies dierum
  48. 🔍 28% Sacra jam splendentSacra jam splendent
  49. 🔍 28% Passio Domini nostri Jesu Christi secundum JoannemPassio Domini nostri Jesu Christi secundum Joannem
  50. 🔍 28% Obaudite meObaudite me
  51. 🔍 28% Noe vero cumNoe vero cum
  52. 🔍 27% Hymnus Te DeumHymnus Te Deum
  53. 🔍 27% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  54. 🔍 27% De profundis exclamantesDe profundis exclamantes
  55. 🔍 27% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A
  56. 🔍 27% Salve dies dierum gloria (one melody)Salve dies dierum gloria (one melody)
  57. 🔍 27% Te beata sponsa ChristiTe beata sponsa Christi
  58. 🔍 27% AngularisAngularis
  59. 🔍 27% Laudes Crucis AttollamusLaudes Crucis Attollamus
  60. 🔍 27% Lauda SionLauda Sion
  61. 🔍 27% Jesu dulcis memoriaJesu dulcis memoria
  62. 🔍 27% Salve dies dierum gloriaSalve dies dierum gloria
  63. 🔍 27% Missus Gabriel de coelisMissus Gabriel de coelis
  64. 🔍 27% Exsultet iam angelicaExsultet iam angelica
  65. 🔍 27% Christus resurgensChristus resurgens