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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Erat quidam regulusErat quidam regulus
  2. πŸ” 68% Erat quidam regulusErat quidam regulus
  3. πŸ” 68% Erat quidam regulusErat quidam regulus
  4. πŸ” 67% Erat quidam regulusErat quidam regulus
  5. πŸ” 66% Erat quidam regulusErat quidam regulus
  6. πŸ” 35% Factum est autemFactum est autem
  7. πŸ” 32% Dedit seDedit se
  8. πŸ” 31% Abiit JesusAbiit Jesus
  9. πŸ” 29% Ibat JesusIbat Jesus
  10. πŸ” 28% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  11. πŸ” 28% Exsultet iam angelicaExsultet iam angelica
  12. πŸ” 28% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  13. πŸ” 28% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  14. πŸ” 27% Ecce Maria erat...alleluiaEcce Maria erat...alleluia
  15. πŸ” 27% Exsultet jam AngelicaExsultet jam Angelica
  16. πŸ” 27% Factum est in unaFactum est in una
  17. πŸ” 26% Ecce Maria eratEcce Maria erat
  18. πŸ” 26% Descendit JesusDescendit Jesus
  19. πŸ” 26% Praefatio in Annuntiatione Domini die 25 martiiPraefatio in Annuntiatione Domini die 25 martii
  20. πŸ” 26% In ferventisIn ferventis
  21. πŸ” 26% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  22. πŸ” 26% Cum autem complacuitCum autem complacuit
  23. πŸ” 26% Passio DNJC secundum JoannemPassio DNJC secundum Joannem
  24. πŸ” 25% Exsultet jam AngelicaExsultet jam Angelica
  25. πŸ” 25% Ambulans JesusAmbulans Jesus
  26. πŸ” 25% Nonne decemNonne decem
  27. πŸ” 25% Caecus magisCaecus magis
  28. πŸ” 25% Praefatio solemnis de sancta CrucePraefatio solemnis de sancta Cruce
  29. πŸ” 25% Dominus... plebemDominus... plebem
  30. πŸ” 25% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  31. πŸ” 25% Aeterne RexAeterne Rex
  32. πŸ” 25% Ascendit JesusAscendit Jesus
  33. πŸ” 25% Praefatio solemnis de sacratissimo Corde IesuPraefatio solemnis de sacratissimo Corde Iesu
  34. πŸ” 25% In regenerationeIn regeneratione
  35. πŸ” 25% Auctor beate saeculiAuctor beate saeculi
  36. πŸ” 25% Stans autem JesusStans autem Jesus
  37. πŸ” 25% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  38. πŸ” 24% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  39. πŸ” 24% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  40. πŸ” 24% Sol et lunaSol et luna
  41. πŸ” 24% Completi suntCompleti sunt
  42. πŸ” 24% Volebat enimVolebat enim
  43. πŸ” 24% Dum auroraDum aurora
  44. πŸ” 24% Homo quidam descendebatHomo quidam descendebat
  45. πŸ” 24% Ut Antonini gloriamUt Antonini gloriam
  46. πŸ” 24% Benedictus esBenedictus es
  47. πŸ” 24% Exiens JesusExiens Jesus
  48. πŸ” 24% Apostolorum passio diemApostolorum passio diem
  49. πŸ” 24% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  50. πŸ” 24% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  51. πŸ” 24% BenedicamusBenedicamus
  52. πŸ” 24% Ecce ego JoannesEcce ego Joannes
  53. πŸ” 24% Cum sublevassetCum sublevasset
  54. πŸ” 24% Mulier quae erat ... ut cognovitMulier quae erat ... ut cognovit
  55. πŸ” 24% Virgo prudentissimaVirgo prudentissima
  56. πŸ” 24% Dum Jesus factusDum Jesus factus
  57. πŸ” 24% Dabit illi DominusDabit illi Dominus
  58. πŸ” 24% In Francisci filioIn Francisci filio
  59. πŸ” 24% Cor arca legem cΓ³ntinensCor arca legem cΓ³ntinens
  60. πŸ” 24% Praefatio de Dominicis per annum VPraefatio de Dominicis per annum V
  61. πŸ” 24% VespereVespere
  62. πŸ” 23% Praefatio de Conceptione Immaculata B.M.V.Praefatio de Conceptione Immaculata B.M.V.
  63. πŸ” 23% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  64. πŸ” 23% Cor arca legem continensCor arca legem continens
  65. πŸ” 23% Cognovit ergo paterCognovit ergo pater